Synonyms and Antonyms Starting with Letter I

Synonyms and Antonyms Starting with Letter I! There are many words in the English language that have similar meanings, known as synonyms. There are also words with opposite meanings, called antonyms. Here are some examples of words starting with the letter “I” that has either a synonym or antonym.

The word “interesting” has a synonym with “engaging.” Another word for “interesting” is “fascinating.” Conversely, the word “boring” is an antonym for “interesting.” Meanwhile, the word “important” is a synonym for “significant.” An antonym of “important” is “unimportant.”

The word “inside” has a synonym with “interior.” Another word for “inside” is “indoors.” Conversely, the word “outside” is an antonym of “inside.” Meanwhile, the word “introverted” is a synonym for “reserved.” An antonym of “introverted” is “extroverted.”

As you can see, there are many words in the English language that have similar or opposite meanings. By learning to identify these words, you can improve your ability to communicate effectively.

Synonyms and Antonyms Starting with Letter i

Synonyms and Antonyms Starting with Letter I

Sr. Words Synonyms Antonyms
1 Idle inactive, lazy busy, ambitious
2 Ignorant uninformed, unaware knowledgeable
3 Immaculate unsullied, spotless defiled, tarnished
4 Immature childish, inexperienced mature, adult
5 Immense huge, enormous puny, insignificant
6 Immerse submerge, involve emerge, uncover
7 Imminent impending, brewing distant, receding
8 Immune resistant, exempt susceptible
9 Immunity prerogative, privilege blame, censure
10 Impair diminish, deteriorate restore, revive
11 Impartial just, unbiased prejudiced, biased
12 Impatient eager, anxious, intolerant patient
13 Impediment hurdle, obstruction assistant, concurrence
14 Impenitent uncontrite, obdurate repentant
15 Imperative compulsory, crucial, mandatory unnecessary, optional
16 Imperfect marred, defective, faulty perfect, flawless
17 Impetuous impulsive, rash, reckless restrained, careful
18 Impious irreligious, unholy pious, devout
19 Important significant, meaningful unimportant, meaningless
20 Impulsive flaky, impetuous cautious, deliberate

21 Impute attribute, ascribe exculpate, support
22 Inclination disposition, affection indifference, disinclination
23 Incompetent inefficient, unskilled dexterous, skilled
24 Incongruous inappropriate, absurd compatible, harmonious
25 Independent self-reliant, autonomous dependent, unsure
26 Indifferent equitable, haughty partial, biased
27 Indigent destitute, impoverished rich, affluent
28 Inevitable unavoidable, ascertained unlikely, doubtful
29 Inferior lesser, substandard superior
30 Infernal damned, accursed heavenly,
31 Infringe violate, encroach comply, concur
32 Infuriate enrage, agitate, provoke soothe, clam
33 Ingenious clever, creative, original unoriginal, dull
34 Ingenuous undisguised, naive wily, craftly
35 Innocent guiltless, blameless guilty
36 Insane crazy, deranged, mad sane
37 Insinuate allude, hint conceal, camouflage
38 Insipid tedious, prosaic pleasing, appetizing
39 Insolvent indigent, destitute wealthy, solvent
40 Instill inculcate, inject eradicate, extract

 

41 Insufficient inadequate, deficient adequate, enough  
42 Intelligent bright, sensible, rational ignorant, dense
43 Interesting enchanting, riveting dull, uninteresting
44 Intermittent sporadic, periodic regular, continual
45 Internal inner, inside external, outer
46 Intolerant bigoted, prejudiced understanding, accepting
47 Intricate tangled, complicated regulated, orderly
48 Intrigue scheme, conspiracy candor, sincerity
49 Intriguing fascinating, enthralling uninteresting, dull
50 Intrinsic genuine, fundamental extraneous, incidental
51 Invective accusation, censure approval, acclamation
52 Invincible unconquerable, impregnable effeminate, languid
53 Irrelevant inappropriate, unrelated relevant, pertinent, applicable
54 Irrepressible irresistible, unconfined composed, hesitant
55 Irritate annoy, agitate, provoke soothe, calm

 

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