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.

I just needed “Disclosure Day” to have the same spark of intelligent life.

From Los Angeles Times • Jun. 10, 2026

He suggested that discovering intelligent life beyond Earth could force people to look beyond their differences.

From BBC • Jun. 4, 2026

Mr Justice Kinney said Natalie knew what she wanted from life and was "intelligent, passionate and funny".

From BBC • Jun. 3, 2026

CEO George Kurian said NetApp’s cloud intelligent data infrastructure platform was powering AI-driven transformations for its enterprise customers.

From Barron's • May 29, 2026

An intelligent long shot, perhaps, but a long shot nonetheless.

From "The Big Short" by Michael Lewis

Vocabulary lists containing intelligent

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