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.

Technosignatures may be more convincing, but they depend on assumptions about how intelligent life might behave, which adds uncertainty.

From Science Daily • Apr. 15, 2026

“The combination with Amazon Leo will advance innovations in digital connectivity that will benefit our customers and advance us toward a more intelligent, continuously connected world,” Globalstar CEO Paul Jacobs said in a statement.

From MarketWatch • Apr. 14, 2026

“Roberto Velasco seems to be a intelligent and well-educated person,” said one veteran Mexican diplomat posted to the United States, who asked to not be named because the person was not authorized to speak.

From Los Angeles Times • Apr. 14, 2026

América Peraza, a florist in Mexico City, gushes over García Harfuch, describing him as handsome, intelligent and elegant.

From The Wall Street Journal • Apr. 12, 2026

Ralph, who came from a long line of intelligent mice, knew that most of his relatives had learned to avoid traps and poisons.

From "Ralph S. Mouse" by Beverly Cleary

Vocabulary lists containing intelligent

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