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.

She doesn’t mean to be, she doesn’t take herself too seriously, but she happens to be very intelligent, so that combination of those two things makes her just appealing.

From Los Angeles Times • May 18, 2026

Sheep are not only intelligent, as someone observes, but they can be inspirational.

From Salon • May 17, 2026

Maybe there should be little surprise that Maverick McNealy, an intelligent but unheralded American who once considered snubbing golf for a business career, is leading the way.

From BBC • May 16, 2026

“In a world that is increasingly driven by AI and intelligent automation, ZoomInfo data and our go-to-market context is the ultimate competitive advantage,” CEO Henry Schuck said in the earnings release.

From Barron's • May 12, 2026

Thus according to the common-sense view the science of extraterrestrial beings, if they exist and if they are intelligent, must, where it overlaps with our science, agree with it.

From "The Invention of Science" by David Wootton

Vocabulary lists containing intelligent

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