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.

Would you buy an emotionally intelligent robot to look after a loved one?

From The Wall Street Journal • May 4, 2026

The typical scary AI story involves an incredibly intelligent computer like Colossus in the movie “Colossus: The Forbin Project” or maybe Skynet of “Terminator” fame.

From The Wall Street Journal • May 3, 2026

People who knew him through his work there described him in interviews as intelligent and professional.

From Los Angeles Times • May 3, 2026

It’s an assured, intelligent performance, if a touch too stentorian.

From Los Angeles Times • Apr. 29, 2026

I found working with such interesting and intelligent people tremendously energizing.

From "Reaching for the Moon" by Katherine Johnson

Vocabulary lists containing intelligent

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