Definitions

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.

And "if we get super intelligent AI, any intellectual job it will be able to do," he said, meaning that "even if new jobs are created, AI will be a cheaper way to do them".

From Barron's • Apr. 21, 2026

Phrases like "AI decided" or "ChatGPT knows" can make systems seem more independent or intelligent than they actually are.

From Science Daily • Apr. 19, 2026

“I know a lot of feisty, fun, and intelligent women and I knew when I met her that she was one of them.”

From The Wall Street Journal • Apr. 16, 2026

“The combination with Amazon Leo will advance innovations in digital connectivity that will benefit our customers and advance us toward a more intelligent, continuously connected world,” Globalstar CEO Paul Jacobs said in a statement.

From MarketWatch • Apr. 14, 2026

Forty years old, with a thick mustache and the posture of a flagpole, Liddy was known around Washington as intelligent, fiercely loyal, and something of a loose cannon.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

Vocabulary lists containing intelligent

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