Antonyms: Words Starting with I

Antonyms are words with opposite meanings. Below is a list of important words starting with I along with their meanings and example sentences.

Word Definition, Antonyms, and Example Sentences

1. Impenitent (Adjective) 🔊
  1. Meaning: Not feeling regret or sorry.
  2. Antonyms: Repentant, Sorry, Remorseful, Contrite
  3. Use in Sentence:
    • He remained impenitent, not repentant.
    • She was sorry for her mistake.
2. Impulsive (Adjective) 🔊
  1. Meaning: Acting without thinking.
  2. Antonyms: Cautious, Thoughtful, Careful, Deliberate
  3. Use in Sentence:
    • He made a careful choice, not an impulsive one.
    • She acted thoughtfully.
3. Indifferent (Adjective) 🔊
  1. Meaning: Showing no interest or concern.
  2. Antonyms: Concerned, Interested, Caring, Attentive
  3. Use in Sentence:
    • He was concerned, not indifferent.
    • She paid attention to the instructions.
4. Indigent (Adjective) 🔊
  1. Meaning: Poor, needy.
  2. Antonyms: Rich, Wealthy, Affluent, Prosperous
  3. Use in Sentence:
    • The wealthy family donated to the indigent.
    • He grew up prosperous.
5. Infernal (Adjective) 🔊
  1. Meaning: Extremely bad or hellish.
  2. Antonyms: Heavenly, Pleasant, Good, Delightful
  3. Use in Sentence:
    • The weather was pleasant, not infernal.
    • The garden looked heavenly.
6. Insipid (Adjective) 🔊
  1. Meaning: Lacking flavor or interest.
  2. Antonyms: Tasty, Interesting, Flavorful, Exciting
  3. Use in Sentence:
    • The meal was tasty, not insipid.
    • The story was exciting.
7. Interesting (Adjective) 🔊
  1. Meaning: Arousing curiosity or attention.
  2. Antonyms: Boring, Dull, Uninteresting, Tedious
  3. Use in Sentence:
    • The lecture was boring, not interesting.
    • The movie was exciting.
8. Immaculate (Adjective) 🔊
  1. Meaning: Perfectly clean or free from mistakes.
  2. Antonyms: Dirty, Messy, Faulty, Imperfect
  3. Use in Sentence:
    • The room was messy, not immaculate.
    • She gave an imperfect answer.
9. Immense (Adjective) 🔊
  1. Meaning: Extremely large or great.
  2. Antonyms: Tiny, Small, Limited, Little
  3. Use in Sentence:
    • The tiny house was opposite the immense building.
    • He felt a little joy.
10. Immerse (Verb) 🔊
  1. Meaning: To involve deeply or submerge.
  2. Antonyms: Withdraw, Remove, Extract, Emerge
  3. Use in Sentence:
    • He withdrew from the conversation instead of immersing.
    • She tried to emerge from the water.
11. Imminent (Adjective) 🔊
  1. Meaning: About to happen.
  2. Antonyms: Distant, Delayed, Unlikely, Remote
  3. Use in Sentence:
    • The storm is imminent, not distant.
    • The meeting was delayed.
12. Immunity (Noun) 🔊
  1. Meaning: Protection from harm or disease.
  2. Antonyms: Vulnerability, Susceptibility, Exposure, Weakness
  3. Use in Sentence:
    • Vaccination provides immunity from disease.
    • The population was vulnerable to the virus.
13. Impair (Verb) 🔊
  1. Meaning: To weaken or damage.
  2. Antonyms: Improve, Strengthen, Enhance, Repair
  3. Use in Sentence:
    • The medicine helped strengthen his health instead of impairing it.
    • She tried to repair the broken chair.
14. Impartial (Adjective) 🔊
  1. Meaning: Treating all sides equally.
  2. Antonyms: Biased, Partial, Unfair, Prejudiced
  3. Use in Sentence:
    • The judge remained impartial, not biased.
    • She gave a fair decision.
15. Impediment (Noun) 🔊
  1. Meaning: Something that blocks progress.
  2. Antonyms: Aid, Assistance, Help, Support
  3. Use in Sentence:
    • The guide provided aid, removing the impediment.
    • The project progressed with support.
16. Impious (Adjective) 🔊
  1. Meaning: Not showing respect for God or religion.
  2. Antonyms: Pious, Religious, Reverent, Devout
  3. Use in Sentence:
    • He remained pious, not impious.
    • She was deeply reverent.
17. Impute (Verb) 🔊
  1. Meaning: To attribute responsibility or blame.
  2. Antonyms: Absolve, Exonerate, Acquit, Clear
  3. Use in Sentence:
    • The court absolved him instead of imputing blame.
    • He was cleared of all charges.
18. Inclination (Noun) 🔊
  1. Meaning: A natural tendency or preference.
  2. Antonyms: Dislike, Aversion, Indifference, Hesitation
  3. Use in Sentence:
    • She had an aversion to sweets, opposite her inclination.
    • He showed dislike for loud music.
19. Incompetent (Adjective) 🔊
  1. Meaning: Not able or skilled enough.
  2. Antonyms: Capable, Skilled, Competent, Efficient
  3. Use in Sentence:
    • The worker was capable, not incompetent.
    • She handled the task efficiently.
20. Incongruous (Adjective) 🔊
  1. Meaning: Not in harmony or suitable.
  2. Antonyms: Suitable, Appropriate, Fitting, Harmonious
  3. Use in Sentence:
    • His dress was appropriate, not incongruous.
    • The design was harmonious.
21. Inevitable (Adjective) 🔊
  1. Meaning: Certain to happen.
  2. Antonyms: Avoidable, Preventable, Uncertain, Optional
  3. Use in Sentence:
    • The accident was avoidable, not inevitable.
    • The outcome remained uncertain.
22. Infringe (Verb) 🔊
  1. Meaning: To violate or encroach on.
  2. Antonyms: Respect, Obey, Honor, Follow
  3. Use in Sentence:
    • They respected the rules, not infringing them.
    • He tried to follow the law.
23. Ingenious (Adjective) 🔊
  1. Meaning: Clever, inventive.
  2. Antonyms: Unimaginative, Ordinary, Dull, Simple
  3. Use in Sentence:
    • His solution was ingenious, not ordinary.
    • The plan was simple, not clever.
24. Insinuate (Verb) 🔊
  1. Meaning: To suggest indirectly.
  2. Antonyms: State, Declare, Announce, Reveal
  3. Use in Sentence:
    • He stated the facts clearly, not insinuated.
    • She revealed the truth.
25. Insolvent (Adjective) 🔊
  1. Meaning: Unable to pay debts.
  2. Antonyms: Solvent, Wealthy, Rich, Financially sound
  3. Use in Sentence:
    • The company became solvent after reorganization.
    • He was wealthy.
26. Instill (Verb) 🔊
  1. Meaning: To gradually introduce an idea or feeling.
  2. Antonyms: Remove, Eradicate, Expel, Forget
  3. Use in Sentence:
    • The teacher tried to instill discipline.
    • Bad habits were eradicated.
27. Intricate (Adjective) 🔊
  1. Meaning: Complex or detailed.
  2. Antonyms: Simple, Easy, Straightforward, Clear
  3. Use in Sentence:
    • The instructions were simple, not intricate.
    • The puzzle was easy.
28. Intrigue (Verb/Noun) 🔊
  1. Meaning: To fascinate or make secret plans.
  2. Antonyms: Bore, Repel, Discourage, Disinterest
  3. Use in Sentence:
    • The story fascinated him, not bored.
    • He was not disinterested.
29. Intrinsic (Adjective) 🔊
  1. Meaning: Belonging naturally; essential.
  2. Antonyms: Extrinsic, External, Added, Foreign
  3. Use in Sentence:
    • Honesty is intrinsic to trust.
    • The reward was extrinsic, not natural.
30. Invective (Noun) 🔊
  1. Meaning: Insulting or abusive language.
  2. Antonyms: Praise, Compliment, Flattery, Approval
  3. Use in Sentence:
    • She received praise, not invective.
    • His teacher gave compliments.
31. Invincible (Adjective) 🔊
  1. Meaning: Impossible to defeat.
  2. Antonyms: Vulnerable, Weak, Defenseless, Fragile
  3. Use in Sentence:
    • The fortress was vulnerable, not invincible.
    • He felt weak after the battle.
32. Irrepressible (Adjective) 🔊
  1. Meaning: Impossible to control or restrain.
  2. Antonyms: Controllable, Restrained, Manageable, Subdued
  3. Use in Sentence:
    • Her excitement was irrepressible.
    • The children were restrained during the ceremony.

List of Words with Antonyms

# Word Antonyms
1ImpenitentRepentant, Sorry, Remorseful, Contrite
2ImpulsiveCautious, Thoughtful, Careful, Deliberate
3IndifferentConcerned, Interested, Caring, Attentive
4IndigentRich, Wealthy, Affluent, Prosperous
5InfernalHeavenly, Pleasant, Good, Delightful
6InsipidTasty, Interesting, Flavorful, Exciting
7InterestingBoring, Dull, Uninteresting, Tedious
8ImmaculateDirty, Messy, Faulty, Imperfect
9ImmenseTiny, Small, Limited, Little
10ImmerseWithdraw, Remove, Extract, Emerge
11ImminentDistant, Delayed, Unlikely, Remote
12ImmunityVulnerability, Susceptibility, Exposure, Weakness
13ImpairImprove, Strengthen, Enhance, Repair
14ImpartialBiased, Partial, Unfair, Prejudiced
15ImpedimentAid, Assistance, Help, Support
16ImpiousPious, Religious, Reverent, Devout
17ImputeAbsolve, Exonerate, Acquit, Clear
18InclinationDislike, Aversion, Indifference, Hesitation
19IncompetentCapable, Skilled, Competent, Efficient
20IncongruousSuitable, Appropriate, Fitting, Harmonious
21InevitableAvoidable, Preventable, Uncertain, Optional
22InfringeRespect, Obey, Honor, Follow
23IngeniousUnimaginative, Ordinary, Dull, Simple
24InsinuateState, Declare, Announce, Reveal
25InsolventSolvent, Wealthy, Rich, Financially sound
26InstillRemove, Eradicate, Expel, Forget
27IntricateSimple, Easy, Straightforward, Clear
28IntrigueBore, Repel, Discourage, Disinterest
29IntrinsicExtrinsic, External, Added, Foreign
30InvectivePraise, Compliment, Flattery, Approval
31InvincibleVulnerable, Weak, Defenseless, Fragile
32IrrepressibleControllable, Restrained, Manageable, Subdued