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.

His family described him as a much-loved son and brother who was kind, intelligent and talented.

From BBC • Jun. 6, 2026

Scott McTominay was at the heart of an intelligent first-half performance before the 4-0 lead and the cavalry coming off the bench made it a bit ragged.

From BBC • Jun. 6, 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

The company aims to invest over 100 billion yuan in intelligent technology research and development over the next three years.

From The Wall Street Journal • May 29, 2026

Anya couldn’t stop her forward momentum; her brain had been numbed too much by fear to make an intelligent decision anyway.

From Anya and the Dragon by Sofiya Pasternack

Vocabulary lists containing intelligent

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Positive Words to Describe People, List 1

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List 5

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