intelligent

[in-tel-i-juhnt] / ɪnˈtɛl ɪ dʒənt /

ADJECTIVE

very smart

Synonyms

STRONGEST

astute brainy bright brilliant creative imaginative inventive knowledgeable original perceptive rational resourceful smart well-informed wise

WEAK

able acute alert alive all there apt calculating capable clever comprehending deep discerning enlightened exceptional highbrow ingenious instructed keen knowing penetrating perspicacious profound quick quick-witted ready reasonable responsible sage sharp thinking together understanding whiz witty

Antonyms

STRONGEST

dark dull ignorant normal old stupid typical unaware uncreative uneducated unimaginative unintelligent uninventive unreasonable unresourceful worn

WEAK

foolish idiotic imbecile

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No evidence has been produced of intelligent life beyond Earth.

From Barron's • May 8, 2026

Further along, the company hopes to license its emotionally intelligent AI to other companies.

From The Wall Street Journal • May 8, 2026

Harry Potter’s mark him as intelligent and vulnerable.

From The Wall Street Journal • May 7, 2026

A midfielder known for her intelligent movement and passing range, Staniforth ends her career at Villa having made more than 50 appearances in all competitions.

From BBC • May 7, 2026

“She’s a remarkable woman, intelligent and independent. Look at the way she sent your mother off to school. We know she wouldn’t want you to be an ngozi bride.”

From "A Girl Named Disaster" by Nancy Farmer

Vocabulary lists containing intelligent

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