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.

Intelligent, funny, curious and humble, Gosling’s Grace is essentially a clone of the character Matt Damon played in 2015’s “The Martian,” a geek you want to grab an intergalactic beer with.

From Los Angeles Times • Mar. 18, 2026

The study, published in the ACM journal Transactions on Interactive Intelligent Systems, also highlights a problem with how AI design tools are typically assessed.

From Science Daily • Mar. 15, 2026

Thanks to Azure, Microsoft’s Intelligent Cloud segment will soon overtake business software as Microsoft’s largest revenue source.

From Barron's • Mar. 13, 2026

The current system Tesla sells in China has been branded as Intelligent Assisted Driving and offers more limited capabilities than the Full Self-Driving system offered in the U.S.

From MarketWatch • Feb. 6, 2026

But the legacy of the mechanical philosophy was not simply modern versions of the argument from design, which are still widely defended in the form of Intelligent Design.

From "The Invention of Science" by David Wootton

Vocabulary lists containing intelligent

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