S Words | Words that start with S

So
- Synonyms: ergo, hence, therefore
- Opposites: Because, Yet
- Part of speech: Conjunction

Sky
- Synonyms: the atmosphere, the stratosphere, the skies
- Opposites: Ground, Earth
- Part of speech: Noun
See
- Synonyms: discern, perceive, glimpse
- Opposites: Miss, Overlook
- Part of speech: Verb
Saw
- Synonyms: saying, maxim, proverb
- Opposites: Ignored, Overlooked
- Part of speech: Noun
Set
- Synonyms: put, place, put down
- Opposites: Melt, Rise
- Part of speech: Verb
Say
- Synonyms: speak, utter, voice
- Opposites: Listen, Stay Quiet
- Part of speech: Verb
Shy
- Synonyms: bashful, diffident, timid
- Opposites: Bold, Brash, Confident
- Part of speech: Adjective
SEO
- Synonyms: Search Engine Marketing (SEM), Organic Search Optimization, Web Optimization
- Opposites: Search Engine Suppression, Content Ignorance
- Part of speech: Noun
Sad
- Synonyms: unhappy, sorrowful, dejected
- Opposites: Happy, Cheerful, Amusing
- Part of speech: Adjective

Side
- Synonyms: edge, border, verge
- Opposites: Oppose, Central, Primary
- Part of speech: Noun
Song
- Synonyms: air, strain, ditty
- Opposites: Silence, Speech
- Part of speech: Noun
Size
- Synonyms: dimensions, measurements, proportions
- Opposites: Smallness, Minuteness
- Part of speech: Noun
Star
- Synonyms: celestial body, heavenly body, sun
- Opposites: Moon, Shadow
- Part of speech: Noun
Shop
- Synonyms: store, retail store, outlet
- Opposites: Store, Warehouse
- Part of speech: Noun
Sick
- Synonyms: ill, unwell, poorly
- Opposites: Well, Healthy
- Part of speech: Adjective
Show
- Synonyms: be visible, be seen, be in view
- Opposites: Be Invisible, Conceal
- Part of speech: Verb
Such
- Synonyms: This kind of, That type of, Like this
- Opposites: Different, Unrelated
- Part of speech: Pronoun
Step
- Synonyms: pace, footstep, stride
- Opposites: Stand Still, Remain
- Part of speech: Noun
Soul
- Synonyms: inspiration, feeling, emotion
- Opposites: Body, Matter
- Part of speech: Noun
Stop
- Synonyms: come to an end, come to a stop, cease
- Opposites: Start, Continue
- Part of speech: Verb
Seek
- Synonyms: search for, try to find, look for
- Opposites: Ignore, Avoid
- Part of speech: Verb
Stun
- Synonyms: daze, stupefy, knock senseless
- Opposites: Awaken, Comfort
- Part of speech: Verb
Sure
- Synonyms: certain, positive, convinced
- Opposites: Uncertain, Doubtful
- Part of speech: Adjective
Soft
- Synonyms: mushy, squashy, pulpy
- Opposites: Hard, Firm
- Part of speech: Adjective
Seen
- Synonyms: Observed, Noticed, Watched
- Opposites: Unseen, Ignored
- Part of speech: Adjective
Says
- Synonyms: States, Remarks, Mentions
- Opposites: Listens, Remains Silent
- Part of speech: Verb
Safe
- Synonyms: protected from harm/danger, shielded, sheltered
- Opposites: Unsafe, Insecure, At Risk
- Part of speech: Adjective
Some
- Synonyms: Several, A few, Certain
- Opposites: None, All
- Part of speech: Pronoun
Same
- Synonyms: the identical, the very same, selfsame
- Opposites: Different, Dissimilar, Varying
- Part of speech: Adjective
Said
- Synonyms: told, talked, uttered
- Opposites: Unsaid, Unspoken
- Part of speech: Adjective
Soon
- Synonyms: in a short time, shortly, presently
- Opposites: Late, Belatedly, Tardily, Slowly
- Part of speech: Adverb

Storm
- Synonyms: tempest, squall, gale
- Opposites: Calm, Clear Sky
- Part of speech: Noun
Stage
- Synonyms: phase, period, juncture
- Opposites: Completion, Conclusion
- Part of speech: Noun
Spark
- Synonyms: particle, iota, jot
- Opposites: Extinguish, Douse
- Part of speech: Noun
Skill
- Synonyms: expertise, skilfulness, expertness
- Opposites: Inability, Clumsiness
- Part of speech: Noun
Scene
- Synonyms: location, site, place
- Opposites: Obscurity, Silence
- Part of speech: Noun
Surge
- Synonyms: gush, rush, outpouring
- Opposites: Decline, Recession
- Part of speech: Noun
Small
- Synonyms: little, small-scale, compact
- Opposites: Major, Substantial
- Part of speech: Adjective
Steal
- Synonyms: purloin, thieve, take
- Opposites: Give, Donate
- Part of speech: Verb
Stark
- Synonyms: sharply delineated, sharp, sharply defined
- Opposites: Fuzzy, Indistinct, Pleasant, Comfortable, Ornate
- Part of speech: Adjective
Sleep
- Synonyms: nap, doze, rest
- Opposites: Wake Up, Awake, Alert
- Part of speech: Noun
Store
- Synonyms: supply, stock, stockpile
- Opposites: Use, Discard
- Part of speech: Noun
Shame
- Synonyms: humiliation, mortification, chagrin
- Opposites: Pride, Indifference
- Part of speech: Noun
Super
- Synonyms: excellent, superb, superlative
- Opposites: Rotten, Lousy
- Part of speech: Adjective
Share
- Synonyms: split, divide, go halves in/with
- Opposites: Be Excluded From, Withhold, Keep
- Part of speech: Verb
Sharp
- Synonyms: keen, sharp-edged, razor-sharp
- Opposites: Dull, Blunt
- Part of speech: Adjective
Stuff
- Synonyms: material, fabric, cloth
- Opposites: Emptiness, Void
- Part of speech: Noun
Solid
- Synonyms: hard, rock-hard, rigid
- Opposites: Liquid, Gaseous
- Part of speech: Adjective
Scope
- Synonyms: extent, range, breadth
- Opposites: Limit, Restriction
- Part of speech: Noun
Sorry
- Synonyms: sad, unhappy, sorrowful
- Opposites: Glad, Unsympathetic
- Part of speech: Adjective
Short
- Synonyms: small, little, tiny
- Opposites: Long, Tall, Roundabout
- Part of speech: Adjective
Sense
- Synonyms: sensory faculty, feeling, sensation
- Opposites: Stupidity, Mindlessness
- Part of speech: Noun
Shift
- Synonyms: move, carry, transfer
- Opposites: Keep, Stick To
- Part of speech: Verb
Sound
- Synonyms: idea, thought, concept
- Opposites: Unhealthy, Unsafe, Flimsy
- Part of speech: Noun
Smile
- Synonyms: grin, beam, grin like a Cheshire cat
- Opposites: Frown, Scowl
- Part of speech: Verb
Space
- Synonyms: room, expanse, extent
- Opposites: Crowding, Clutter
- Part of speech: Noun
Style
- Synonyms: manner, way, technique
- Opposites: Disorder, Plainness
- Part of speech: Noun
Stuck
- Synonyms: Caught, Jammed, Trapped
- Opposites: Free, Released
- Part of speech: Adjective
Start
- Synonyms: begin, get under way, go ahead
- Opposites: Finish, End, Clear Up
- Part of speech: Verb
Still
- Synonyms: motionless, unmoving, without moving
- Opposites: Moving, Active
- Part of speech: Adjective
Sweet
- Synonyms: sugary, sweetened, saccharine
- Opposites: Sour, Sharp, Savoury
- Part of speech: Adjective
Story
- Synonyms: tale, narrative, account
- Opposites: Truth, Silence
- Part of speech: Noun
State
- Synonyms: condition, shape, situation
- Opposites: Undefined, Irregular, Tacit
- Part of speech: Noun
Smart
- Synonyms: well dressed, well turned out, fashionably dressed
- Opposites: Scruffy, Downmarket
- Part of speech: Adjective
Scare
- Synonyms: frighten, make afraid, make fearful
- Opposites: Reassure, Assure
- Part of speech: Verb
Since
- Synonyms: because, as, considering
- Opposites: Before, Until
- Part of speech: Conjunction
Silly
- Synonyms: foolish, stupid, unintelligent
- Opposites: Sensible, Rational
- Part of speech: Adjective

Surely
- Synonyms: it must be the case that, I believe that, assuredly
- Opposites: Doubtfully, Uncertainly
- Part of speech: Adverb
Solace
- Synonyms: comfort, consolation, cheer
- Opposites: Distress, Suffering
- Part of speech: Noun
Single
- Synonyms: one, one only, sole
- Opposites: Married, Double, Multiple
- Part of speech: Adjective
Search
- Synonyms: hunt, look, explore
- Opposites: Ignore, Overlook
- Part of speech: Verb
Strain
- Synonyms: tension, tightness, tautness
- Opposites: Ease, Relaxation
- Part of speech: Noun
Sturdy
- Synonyms: strapping, well built, well made
- Opposites: Puny, Frail
- Part of speech: Adjective
Strike
- Synonyms: bang, beat, hit
- Opposites: Miss, Hit Gently
- Part of speech: Verb
Sloppy
- Synonyms: careless, slapdash, slipshod
- Opposites: Careful, Meticulous
- Part of speech: Adjective
Sector
- Synonyms: district, quarter, part
- Opposites: Whole, Unity
- Part of speech: Noun
Survey
- Synonyms: look at, look over, take a look at
- Opposites: Ignore, Overlook
- Part of speech: Verb
Stance
- Synonyms: posture, body position, pose
- Opposites: Indifference, Neutrality
- Part of speech: Noun
Stigma
- Synonyms: shame, disgrace, dishonour
- Opposites: Honour, Credit
- Part of speech: Noun
Steady
- Synonyms: stable, balanced, firm
- Opposites: Unstable, Loose, Shaky
- Part of speech: Adjective
Solely
- Synonyms: only, simply, just
- Opposites: Collectively, Jointly
- Part of speech: Adverb
Sneaky
- Synonyms: sly, crafty, cunning
- Opposites: Honest, Open
- Part of speech: Adjective
Seeing
- Synonyms: Observing, Viewing, Watching
- Opposites: Blind, Overlooking
- Part of speech: Verb
Select
- Synonyms: choose, pick, hand-pick
- Opposites: Inferior, Mediocre
- Part of speech: Verb
Series
- Synonyms: sequence, succession, string
- Opposites: Single, One-time
- Part of speech: Noun
Silent
- Synonyms: completely quiet, still, hushed
- Opposites: Audible, Noisy
- Part of speech: Adjective
Symbol
- Synonyms: sign, character, mark
- Opposites: Literal Meaning, Reality
- Part of speech: Noun
Spirit
- Synonyms: soul, psyche, inner self
- Opposites: Body, Flesh
- Part of speech: Noun
Social
- Synonyms: communal, community, community-based
- Opposites: Antisocial, Reclusive
- Part of speech: Adjective
Sought
- Synonyms: Searched for, Pursued, Looked for
- Opposites: Ignored, Rejected
- Part of speech: Adjective
Should
- Synonyms: Ought to, Must, Have to
- Opposites: Should Not, Must Not
- Part of speech: Verb
Subtle
- Synonyms: fine, fine-drawn, ultra-fine
- Opposites: Crude, Artless
- Part of speech: Adjective
Stable
- Synonyms: firm, solid, steady
- Opposites: Unstable, Rickety
- Part of speech: Adjective
Secret
- Synonyms: confidential, strictly confidential, top secret
- Opposites: Known, Public, Visible, Overt, Open, Known About
- Part of speech: Adjective
Status
- Synonyms: standing, rank, ranking
- Opposites: Anonymity, Obscurity
- Part of speech: Noun
Source
- Synonyms: origin, place of origin, birthplace
- Opposites: Outcome, Effect
- Part of speech: Noun
Smooth
- Synonyms: even, level, flat
- Opposites: Uneven, Rough, Dull, Hirsute
- Part of speech: Adjective
Suffer
- Synonyms: hurt, ache, be in pain
- Opposites: Enjoy, Thrive
- Part of speech: Verb
Strict
- Synonyms: stern, severe, harsh
- Opposites: Imprecise, Loose, Moderate, Liberal
- Part of speech: Adjective
Severe
- Synonyms: acute, very bad, serious
- Opposites: Minor, Negligible, Gentle, Slight
- Part of speech: Adjective
System
- Synonyms: structure, organization, order
- Opposites: Chaos, Disorganization
- Part of speech: Noun
Stated
- Synonyms: Declared, Announced, Expressed
- Opposites: Concealed, Withheld
- Part of speech: Verb
Stress
- Synonyms: pressure, tension, strain
- Opposites: Play Down, Understate, Relaxation
- Part of speech: Noun
Scared
- Synonyms: frightened, afraid, fearful
- Opposites: Confident, Laid-back, Calm
- Part of speech: Adjective
Simple
- Synonyms: straightforward, easy, uncomplicated
- Opposites: Difficult, Hard, Demanding, Complicated, Complex
- Part of speech: Adjective
Stupid
- Synonyms: unintelligent, ignorant, dense
- Opposites: Intelligent, Clever, Astute, Sensible, Prudent
- Part of speech: Adjective
Skills
- Synonyms: expertise, skilfulness, expertness
- Opposites: Incompetence, Artlessness
- Part of speech: Noun
Strong
- Synonyms: powerful, muscular, brawny
- Opposites: Weak, Puny
- Part of speech: Adjective
Slowly
- Synonyms: unhurriedly, without hurrying, at a leisurely pace
- Opposites: Fast, Quickly, Rapidly
- Part of speech: Adverb

Sustain
- Synonyms: comfort, help, assist
- Opposites: Torment, Plague
- Part of speech: Verb
Segment
- Synonyms: piece, part, bit
- Opposites: Whole, Amalgamate
- Part of speech: Noun
Session
- Synonyms: meeting, sitting, assembly
- Opposites: Interruption, Break
- Part of speech: Noun
Surface
- Synonyms: outside, exterior, top
- Opposites: Depth, Interior
- Part of speech: Noun
Shallow
- Synonyms: superficial, facile, glib
- Opposites: Profound, Serious, In-depth
- Part of speech: Adjective
Similar
- Synonyms: alike, (much) the same, indistinguishable
- Opposites: Dissimilar, Different, Dissimilar To, Unlike
- Part of speech: Adjective
Surreal
- Synonyms: unreal, bizarre, unusual
- Opposites: Realistic, Ordinary
- Part of speech: Adjective
Stylish
- Synonyms: fashionable, modish, voguish
- Opposites: Unfashionable, Dowdy
- Part of speech: Adjective
Synergy
- Synonyms: Cooperation, Collaboration, Teamwork
- Opposites: Discord, Conflict
- Part of speech: Noun
Support
- Synonyms: hold up, bear, carry
- Opposites: Contradict, Undermine
- Part of speech: Verb
Student
- Synonyms: undergraduate, postgraduate, scholar
- Opposites: Teacher, Instructor
- Part of speech: Noun
Section
- Synonyms: segment, part, component
- Opposites: Whole, Entirety
- Part of speech: Noun
Setting
- Synonyms: surroundings, position, situation
- Opposites: Removal, Departure
- Part of speech: Noun
So Much
- Synonyms: A lot, Many, Much
- Opposites: So Little, Not Enough
- Part of speech: Adverb
Seeking
- Synonyms: Searching, Looking for, Pursuing
- Opposites: Ignoring, Avoiding
- Part of speech: Adjective
Suggest
- Synonyms: propose, put forward, submit
- Opposites: Dissuade, Prohibit
- Part of speech: Verb
Stopped
- Synonyms: Halted, Ceased, Ended
- Opposites: Started, Continued
- Part of speech: Adjective
Summary
- Synonyms: synopsis, precis, résumé
- Opposites: Lengthy, In Full
- Part of speech: Noun
So That
- Synonyms: In order that, To, For the purpose of
- Opposites: Although, Yet
- Part of speech: Conjunction
Subject
- Synonyms: theme, subject matter, topic
- Opposites: Object, Predicate
- Part of speech: Noun
Started
- Synonyms: Began, Initiated, Launched
- Opposites: Ended, Stopped
- Part of speech: Verb
Service
- Synonyms: act of assistance, good turn, favour
- Opposites: Neglect, Disservice
- Part of speech: Noun
Satisfy
- Synonyms: fulfil, gratify, meet
- Opposites: Dissatisfy, Discontent
- Part of speech: Verb
Strange
- Synonyms: unusual, odd, curious
- Opposites: Ordinary, Usual, Normal, Conventional
- Part of speech: Adjective
Several
- Synonyms: some, a number of, a few
- Opposites: A Lot, Many
- Part of speech: Pronoun
Selfish
- Synonyms: egocentric, egotistic, egotistical
- Opposites: Unselfish, Selfless, Altruistic, Considerate, Generous
- Part of speech: Adjective
Shocked
- Synonyms: Astonished, Stunned, Startled
- Opposites: Unfazed, Calm
- Part of speech: Adjective
Society
- Synonyms: the community, the public, the general public
- Opposites: Disaffiliation, Dissociation
- Part of speech: Noun
Special
- Synonyms: exceptional, particular, extra special
- Opposites: Ordinary, General
- Part of speech: Adjective
Such As
- Synonyms: For example, Like, For instance
- Opposites: Except For, Unlike
- Part of speech: Adjective
Serious
- Synonyms: important, significant, consequential
- Opposites: Trivial, Unimportant, Superficial
- Part of speech: Adjective

Survival
- Synonyms: Endurance, Continuance, Persistence
- Opposites: Extinction, Perishing
- Part of speech: Noun
Sensible
- Synonyms: practical, realistic, responsible
- Opposites: Irrational, Foolish
- Part of speech: Adjective
Secondly
- Synonyms: Next, In the second place, Moreover
- Opposites: Firstly, Primarily
- Part of speech: Adverb
Striking
- Synonyms: noticeable, obvious, conspicuous
- Opposites: Inconspicuous, Unremarkable
- Part of speech: Adjective
Sinister
- Synonyms: menacing, threatening, ominous
- Opposites: Benevolent, Kind
- Part of speech: Adjective
Stagnant
- Synonyms: still, motionless, immobile
- Opposites: Flowing, Running, Fresh
- Part of speech: Adjective
Sequence
- Synonyms: succession, order, course
- Opposites: Disorder, Randomness
- Part of speech: Noun
Somewhat
- Synonyms: a little, a bit, a little bit
- Opposites: Massively, Hugely
- Part of speech: Adverb
Security
- Synonyms: certainty, safe future, assured future
- Opposites: Vulnerability, Danger
- Part of speech: Noun
Sympathy
- Synonyms: commiseration, pity, condolence
- Opposites: Indifference, Hostility
- Part of speech: Noun
Selfless
- Synonyms: unselfish, altruistic, self-sacrificing
- Opposites: Selfish, Egoistic, Inconsiderate, Mean
- Part of speech: Adjective
Surround
- Synonyms: neighbouring, nearby, near
- Opposites: Isolate, Remove
- Part of speech: Verb
Struggle
- Synonyms: fight, grapple, wrestle
- Opposites: Succeed, Accomplish
- Part of speech: Verb
Slightly
- Synonyms: a little, a bit, somewhat
- Opposites: Very, Greatly, Significantly
- Part of speech: Adverb
Scenario
- Synonyms: plot, outline, storyline
- Opposites: Reality, Certainty
- Part of speech: Noun
Stunning
- Synonyms: remarkable, extraordinary, staggering
- Opposites: Ordinary, Run-of-the-mill, Unattractive
- Part of speech: Adjective
Stubborn
- Synonyms: obstinate, stubborn as a mule, mulish
- Opposites: Compliant, Docile
- Part of speech: Adjective
Suddenly
- Synonyms: immediately, instantaneously, instantly
- Opposites: Gradually, Slowly
- Part of speech: Adverb
Standard
- Synonyms: quality, level, grade
- Opposites: Unusual, Special
- Part of speech: Noun
Superior
- Synonyms: higher-ranking, higher-level, senior
- Opposites: Inferior, Junior, Worse, Low-quality, Downmarket
- Part of speech: Adjective
Separate
- Synonyms: unconnected, unrelated, different
- Opposites: Interdependent, Connected, Same
- Part of speech: Adjective
Showcase
- Synonyms: Display, Exhibit, Present
- Opposites: Conceal, Hide
- Part of speech: Noun
Strategy
- Synonyms: master plan, grand design, game plan
- Opposites: Improvization, Spontaneity
- Part of speech: Noun
Suitable
- Synonyms: acceptable, satisfactory, fit
- Opposites: Unsuitable, Inappropriate, Unfit
- Part of speech: Adjective
Strength
- Synonyms: power, brawn, brawniness
- Opposites: Weakness, Puniness, Frailty
- Part of speech: Noun
Surprise
- Synonyms: shock, bolt from/out of the blue, thunderbolt
- Opposites: Unsurprising, Predictable
- Part of speech: Noun
Specific
- Synonyms: particular, specified, certain
- Opposites: General, Vague
- Part of speech: Adjective
Software
- Synonyms: Program, Application, App
- Opposites: Hardware, Firmware
- Part of speech: Noun
Solution
- Synonyms: explanation, quick fix, result
- Opposites: Doubt, Problem
- Part of speech: Noun

Sustained
- Synonyms: Maintained, Continued, Prolonged
- Opposites: Discontinued, Interrupted
- Part of speech: Adjective
Searching
- Synonyms: observant, penetrating, piercing
- Opposites: Casual, Cursory, Vague
- Part of speech: Adjective
Situation
- Synonyms: circumstances, set of circumstances, state of affairs
- Opposites: Chaos, Disorganization
- Part of speech: Noun
Substance
- Synonyms: material, matter, stuff
- Opposites: Void, Emptiness
- Part of speech: Noun
Sarcastic
- Synonyms: sardonic, ironic, ironical
- Opposites: Sincere, Genuine
- Part of speech: Adjective
Stability
- Synonyms: firmness, solidity, steadiness
- Opposites: Instability, Uncertainty
- Part of speech: Noun
Skeptical
- Synonyms: dubious, doubtful, having reservations
- Opposites: Certain, Convinced, Optimistic
- Part of speech: Adjective
Sincerely
- Synonyms: genuinely, honestly, really
- Opposites: Insincerely, Deceitfully
- Part of speech: Adverb
Something
- Synonyms: Thing, Item, Object
- Opposites: Nothing, Anything
- Part of speech: Pronoun
Sacrifice
- Synonyms: ritual slaughter, hecatomb, immolation
- Opposites: Gain, Benefit
- Part of speech: Noun
Statement
- Synonyms: declaration, expression of views/facts, affirmation
- Opposites: Disappearance, Reality
- Part of speech: Noun
Sensitive
- Synonyms: responsive to, quick to respond to, sensitized to
- Opposites: Unresponsive, Impervious, Insensitive
- Part of speech: Adjective
Satisfied
- Synonyms: pleased, well pleased, happy
- Opposites: Dissatisfied, Unhappy, Unfulfilled, Unconvinced
- Part of speech: Adjective
Suffering
- Synonyms: Pain, Distress, Agony
- Opposites: Relief, Joy
- Part of speech: Noun
Sometimes
- Synonyms: occasionally, from time to time, (every) now and then/again
- Opposites: Always, Never
- Part of speech: Adverb
Structure
- Synonyms: construction, form, formation
- Opposites: Chaos, Disorder
- Part of speech: Noun

Solidarity
- Synonyms: unanimity, unity, like-mindedness
- Opposites: Division, Discord
- Part of speech: Noun
Status Quo
- Synonyms: Current state, Existing condition, Present situation
- Opposites: Change, Revolution
- Part of speech: Noun
Systematic
- Synonyms: structured, methodical, organized
- Opposites: Disorganized, Chaotic
- Part of speech: Adjective
Substitute
- Synonyms: replacement, deputy, relief
- Opposites: Original, Permanent
- Part of speech: Noun
Successful
- Synonyms: victorious, triumphant, fortunate
- Opposites: Unsuccessful, Unsuccessful, Unprofitable, Poor
- Part of speech: Adjective
Struggling
- Synonyms: Wrestling, Battling, Striving
- Opposites: Succeeding, Thriving
- Part of speech: Adjective
Stereotype
- Synonyms: standard/conventional image, received idea, cliché
- Opposites: Unconventional, Original, Fresh
- Part of speech: Noun
Suggestion
- Synonyms: proposal, proposition, motion
- Opposites: Command, Order
- Part of speech: Noun
Supportive
- Synonyms: encouraging, caring, sympathetic
- Opposites: Discouraging, Opposed To
- Part of speech: Adjective
Suspicious
- Synonyms: doubtful, unsure, dubious
- Opposites: Trustful, Trusting
- Part of speech: Adjective
Subsequent
- Synonyms: following, ensuing, succeeding
- Opposites: Previous, Prior, Former, Prior To
- Part of speech: Adjective
Sufficient
- Synonyms: Adequate, Enough, Ample
- Opposites: Insufficient, Inadequate
- Part of speech: Adjective

Subordinate
- Synonyms: lower-ranking, junior, lower
- Opposites: Central, Major, Chief
- Part of speech: Adjective
Spectacular
- Synonyms: striking, picturesque, eye-catching
- Opposites: Dull, Unimpressive
- Part of speech: Adjective
Superficial
- Synonyms: surface, exterior, external
- Opposites: Deep, Thorough
- Part of speech: Adjective
Spontaneous
- Synonyms: unforced, voluntary, unconstrained
- Opposites: Planned, Forced, Calculated
- Part of speech: Adjective
Surrounding
- Synonyms: Encircling, Encompassing, Enclosing
- Opposites: Isolated, Distant
- Part of speech: Adjective
Significant
- Synonyms: Appreciable, Big-deal, Big-wheel
- Opposites: Insignificant, Minor
- Part of speech: Adjective
Susceptible
- Synonyms: open to, receptive to, vulnerable to
- Opposites: Immune, Resistant
- Part of speech: Adjective
Sustainable
- Synonyms: Renewable, Viable, Enduring
- Opposites: Unsustainable, Exhaustible
- Part of speech: Adjective
Substantial
- Synonyms: considerable, real, material
- Opposites: Insubstantial, Worthless
- Part of speech: Adjective

Side By Side
- Synonyms: alongside (each other), beside each other, abreast
- Opposites: In Line, Apart, Separately
- Part of speech: Adverb
Satisfactory
- Synonyms: adequate, all right, acceptable
- Opposites: Unsatisfactory, Inadequate, Unacceptable, Poor
- Part of speech: Adjective
Satisfaction
- Synonyms: contentment, contentedness, content
- Opposites: Dissatisfaction, Displeasure, Discontent
- Part of speech: Noun

Sophisticated
- Synonyms: worldly, worldly-wise, experienced
- Opposites: Naive, Unsophisticated
- Part of speech: Adjective

Simultaneously
- Synonyms: at the same time, at one and the same time, at the same instant/moment
- Opposites: Sequentially, Independently
- Part of speech: Adverb

Straightforward
- Synonyms: uncomplicated, simple, easy
- Opposites: Complicated, Difficult
- Part of speech: Adjective

Fullsynonyms.com

Words that start with S

2 Letter Words that start with S

3 Letter Words that start with S

4 Letter Words that start with S

5 Letter Words that start with S

6 Letter Words that start with S

7 Letter Words that start with S

8 Letter Words that start with S

9 Letter Words that start with S

10 Letter Words that start with S

11 Letter Words that start with S

12 Letter Words that start with S

13 Letter Words that start with S

14 Letter Words that start with S

15 Letter Words that start with S

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