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.

Rockwell’s intelligent devices business saw sales rise 13% and margins increased, driven by higher sales volume and favorable mix.

From The Wall Street Journal • May 5, 2026

It won’t talk, but it will react to your actions and feelings in an emotionally intelligent way, he says.

From The Wall Street Journal • May 4, 2026

Selena Lau's family said she was "an intelligent and cheeky girl who was adored and loved by everyone".

From BBC • May 1, 2026

It’s an assured, intelligent performance, if a touch too stentorian.

From Los Angeles Times • Apr. 29, 2026

Both loved the game and were highly intelligent and argumentative by nature.

From "Endgame" by Frank Brady

Vocabulary lists containing intelligent

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