By all means, assuredly, admittedly, absolutely, and affirmative are all synonyms for certainly. No and possibly are antonyms of certainly. And here are 50 another word for certainly.
1. assuredly
2. admittedly
3. absolutely
The noun "certainly" has a variety of synonyms that differ in length: 1 synonym with 3 letters, 1 synonym with 4 letters, 1 synonym with 5 letters, 2 synonyms with 6 letters, 2 synonyms with 7 letters, 3 synonyms with 8 letters, 4 synonyms with 9 letters, 9 synonyms with 10 letters, 6 synonyms with 11 letters, 5 synonyms with 12 letters, 3 synonyms with 13 letters, 4 synonyms with 14 letters, 3 synonyms with 15 letters, 1 synonym with 16 letters, and 1 synonym with 24 letters, for a total of 46 synonyms.
I will certainly help you tomorrow.
She will certainly attend the meeting.
He certainly understands the situation now.
They certainly enjoyed their vacation immensely.
You can certainly count on me.
| Word | Opposites | Synonyms |
|---|---|---|
| Sustained | Discontinued, interrupted | Maintained, continued |
| Sustain | Torment, plague | Comfort, help |
| Intertwined | Separated, untangled | Interwoven, entangled |
| Intertwine | Separate, untangle | Entwine, interweave |
| Strain | Ease, relaxation | Tension, tightness |
| Property | Loss, dispossession | Possessions, belongings |
| Disdain | Admiration nd respect | Contempt, scorn |
| Assertive | Retiring, passive, submissive | Confident, forceful |
| Most important | Least significant, insignificant | Critical, crucial |
| Important | Unimportant, inessential, irrelevant | Main, chief |
| Keenly | Apathetically, indifferently | Sharply, intensely |
| Excerpt | Whole, entirety | Extract, part |
| Gained | Lost, forfeited | Acquired, obtained |
| Gain | Lose, forfeit | Obtain, get |
| Maintain | Break off, neglect | Keep in good condition, keep in repair |
| Complaint | Praise, commendation | Protest, protestation |
| Entertainment | Boredom, drudgery | Amusement, pleasure |
| Unimportant | Important, significant | Insignificant, inconsequential |
| Poverty | Wealth, affluence | Penury, destitution |
| Sincerely | Insincerely, deceitfully | Genuinely, honestly |
| Contain | Excludes, omits | Hold, carry |
| Pertinent | Irrelevant, inappropriate | Relevant, to the point |
| Obtain | Lose, relinquish | Get, acquire |
| Concerning | Unrelated, irrelevant | About, regarding |
| Main | Minor, secondary | Principal, chief |
| Mainly | Bland, insipid | Mostly, for the most part |
| Again | Never, nevermore | Once more, another time |
| Train | Neglect, dismantle | Instruct, teach |
| Training | Neglect, inactivity | Instruction, teaching |
| Uncertainty | Certainty, predictability, confidence | Unpredictability, unreliability |
| Sustainable | Unsustainable, exhaustible | Renewable, viable |
| Explain | Confuse, obscure | Describe, give an explanation of |
| Explained | Confused, "obscured | Clarified, described |
| Very important | Trivial, insignificant | Crucial, vital |
| Against | For, in favor of | Opposed to, in opposition to |
| Nevertheless | Therefore, because | In spite of that/everything, nonetheless |
| Only | Also, never | At most, at best |
| Expertise | Incompetence, ignorance | Skill, skilfulness |
| Uncomfortable | Relaxed, comfortable, pleasant | Painful, not comfortable |
| Suddenly | Gradually, slowly | Immediately, instantaneously |
| Expert | Inexpert, amateur | Specialist, authority |
| Detail | Generalization, overview | Present, describe |
| Detailed | General, brief | Comprehensive, full |
| Certain | Unthinkable, doubtful, possible, unlikely, unreliable | Unquestionable, sure |
| Pain | Comfort, relief | Suffering, agony |
| Comfortable | Uncomfortable, tight | Cosy, snug |
| Brain | Dunce, idiot | Cerebrum, cerebral matter |
| Advertising | Concealing, withholding | Promotion, publicity |
| Domain | Non-ecumene, nonecumene | Realm, kingdom |
| Concern | Serenity, peace of mind, indifference | Be about, deal with |