Antonyms Word Lists with letter I,J,K

Antonyms are words that have contrasting, or opposite, meanings. A word that has the exact opposite meaning of another word is its antonym. Like so much of the English language, “antonym” is rooted in the Greek language. The Greek word anti means opposite.

Since the English language is so complex, people may disagree about which words truly have opposite meanings. With the examples of antonyms listed below, we try to clear that up and offer some tactics for choosing the most appropriate word every time.

Antonyms Word Lists



Letter I

Word Antonyms
Idle Busy
Ignorance Knowledge
Ill Healthy, Well
Illegal Lawful, Legal
Illegible Legible
Imaginary Real
Imbalance Balance
Imitation Genuine
Immature Mature
Immeasurable Measurable
Immense Tiny, Small
Immense Tiny, Small, Minute
Immobile Mobile
Immoral Moral
Immovable Movable
Impatient Patient
Impolite Polite
Import Export
Important Trivial
Impossible Possible
Imprison Free
Improbable Probable
Imprudent Prudent
In Out
Inaccurate Accurate
Incapable Capable
Include Exclude
Incomplete Complete
Inconvenient Convenient
Increase Decrease
Incredible Credible
Indefinite Definite
Individual Group
Industrious Lazy
Ineffective Effective
Inefficient Efficient
Inferior Superior
Informal Formal
Inhabited Uninhabited
Inhale Exhale
Injustice Justice
Inner Outer
Innocent Guilty
Insecure Secure
Inside Outside
Intelligent Stupid, Unintelligent
Intentional Accidental
Interesting Boring
Interesting Dull, Uninteresting
Interesting Boring, Uninteresting, Dull
Interior Exterior
Interior Exterior, Outside
Internal External
Invisible Visible
Irrational Rational
Irrecoverable Recoverable
Irregular Regular
Irrelevant Relevant
Irreparable Reparable
Irreplaceable Replaceable

Letter J

Word Antonyms
Join Separate
Joy Sorrow, Grief
Junior Senior
Just Unjust
Justice Injustice

Letter K

Word Antonyms
Kind Cruel, Mean
King Subject, Queen
Knowledge Ignorance
Known Unknown

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