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.

"He's a sincere, quiet gentleman. A very intelligent guy," they said.

From BBC • Apr. 30, 2026

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

From Los Angeles Times • Apr. 29, 2026

“People should realize that scientists die also and not make too much of this,” the family said in a statement, adding that she was “a beautiful and marvelously intelligent person.”

From The Wall Street Journal • Apr. 25, 2026

Aridge has referred to the factory as the world’s first intelligent flying-car manufacturing facility.

From MarketWatch • Apr. 24, 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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