Delay, add-on, amplification, continuation, and deferral are all synonyms for extension. Retrogression and regression are antonyms of extension. And here are 44 another word for extension.
1. addition
2. expansion
3. prolongation
The noun "extension" has a variety of synonyms that differ in length: 1 synonym with 4 letters, 2 synonyms with 5 letters, 2 synonyms with 6 letters, 1 synonym with 7 letters, 7 synonyms with 8 letters, 3 synonyms with 9 letters, 4 synonyms with 10 letters, 7 synonyms with 11 letters, 8 synonyms with 12 letters, 3 synonyms with 13 letters, 1 synonym with 15 letters, and 1 synonym with 21 letters, for a total of 40 synonyms.
The deadline received an extension.
She requested an extension politely.
The project needed an extension.
He installed a browser extension.
The house got an extension.
| Word | Opposites | Synonyms |
|---|---|---|
| Proliferation | Reduction, decline | Expansion, growth |
| Concentration | Inattention, distraction | Close attention, close thought |
| Companion | Enemy, stranger | Associate, partner |
| Session | Interruption, break | Meeting, sitting |
| Functionality | Dysfunction, inefficiency | Capability, usability |
| Irrational | Rational, logical | Unreasonable, illogical |
| Aspiration | Apathy, indifference | Desire, hope |
| Aforementioned | Subsequent, following | Previously mentioned, above-mentioned |
| Progression | Regression, decline | Development, progress |
| Prediction | Retrospection, recollection | Forecast, prophecy |
| Region | Whole, entirety | Area, zone |
| In the region of | Exactly, precisely | Approximately, about |
| Compensation | Penalty, deprivation | Recompense, repayment |
| Revelation | Keeping, covering up | Disclosure, surprising fact |
| Questionable | Certain, indisputable | Controversial, contentious |
| Forgotten | Remembered, memorable | Unremembered, out of mind |
| Sensible | Irrational, foolish | Practical, realistic |
| Devotion | Disloyalty, indifference, hatred | Loyalty, faithfulness |
| Offensive | Complimentary, polite | Insulting, rude |
| Exploitation | Benevolence, altruism | Taking advantage, making use |
| Retention | Loss, forgetfulness | Preservation, maintenance |
| Validation | Rejection, disapproval | Confirmation, approval |
| Situation | Chaos, disorganization | Circumstances, set of circumstances |
| Portion | Whole, entirety | Part, piece |
| Formation | Destruction, disappearance, dissolution | Emergence, coming into being |
| Attraction | Repulsion, aversion | Appeal, attractiveness |
| Indispensable | Dispensable, superfluous, non-essential | Essential, crucial |
| Distinction | Similarity, uniformity | Difference, contrast |
| Instruction | Confusion, misguidance | Order, command |
| Irresponsible | Responsible, sensible, serious | Reckless, rash |
| Champion | Opponent, critic | Winner, title-holder |
| Inconsistent | Consistent, steady | Incompatible with, conflicting with |
| Composition | Disorganization, disarray | Make-up, constitution |
| Inconsiderate | Considerate, thoughtful | Thoughtless, unthinking |
| Considerate | Thoughtless, selfish | Attentive, thoughtful |
| Degradation | Improvement, upliftment | Humiliation, shame |
| Distraction | Focus, concentration | Diversion, interruption |
| Insignificant | Significant, important, meaningful | Unimportant, of minor importance |
| Destination | Origin, starting point | Journey's end, end of the line |
| Passion | Apathy, calm, calmness | Affection, anger |
| Division | Unity, integration | Dividing, dividing up |
| Inclusion | Exclusion, omission | Incorporation, addition |
| Attentive | Inattentive, inconsiderate | Alert, awake |
| Pretentious | Natural, unaffected | Affected, ostentatious |
| Institution | Dismissal, defrocking, halting, cancellation, ending | Organization, establishment |
| Manipulation | Honesty, transparency | Maneuvering, handling |
| Dimension | Flatness, monodimensionality | Proportions, measurements |
| Imagination | Reality, fact | Imaginative faculty, creative power |
| Opposition | Support, agreement | Resistance, hostility |
| Affection | Indifference, hostility | Fondness, love |
| Manifestation | Concealment, hiddenness | Display, expression |
| Conviction | Uncertainty, doubt | Belief, opinion |
| Expansion | Summary, abridgement | Growth, increase in size |
| Correlation | Disconnection, divergence | Connection, association |
| Pioneer | Follower, imitator | Settler, colonist |