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.

“There’s no letter accompanying anyone’s name. ... I personally support him because he’s an intelligent alternative.”

From Los Angeles Times • Apr. 10, 2026

My best guess is that Cassidy and Kaine themselves — being the intelligent and diligent legislators they are — would prefer a serious approach and offer this proposal simply to move their colleagues to action.

From MarketWatch • Apr. 9, 2026

But for a robot to carry out lots of varied, complex tasks, it needs an intelligent brain powered by a different form of AI, called agentic AI.

From BBC • Apr. 7, 2026

Huawei’s intelligent automotive solution business revenue increased 72% to 45 billion yuan last year.

From The Wall Street Journal • Mar. 31, 2026

“A degradation to illegitimacy and ignorance, to be married to a respectable, intelligent gentleman-farmer!”

From "Emma" by Jane Austen

Vocabulary lists containing intelligent

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