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.

"The brain somehow makes us intelligent," Kerstjens says.

From Science Daily • Jun. 25, 2026

The Three Lions' midfield also looked one dimensional, raising questions about what impact a creator such as Nottingham Forest's Morgan Gibbs-White might have made, or someone with Adam Wharton's intelligent range of passing.

From BBC • Jun. 24, 2026

That question vexes former Royal Netherlands Air Force Apache attack helicopter pilot Roy Lindelauf, who is now a professor of data science in the department of intelligent systems of Tilburg University.

From The Wall Street Journal • Jun. 19, 2026

An "extremely intelligent" bear that injured four people in northern Japan remains at large as of Friday, after apparently unlatching a window while evading capture and turning on a water tap, officials said.

From Barron's • Jun. 5, 2026

After all, Mr Wormwood was a successful motor-car dealer so she presumed that he was a fairly intelligent man himself.

From "Matilda" by Roald Dahl

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