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.

She doesn’t mean to be, she doesn’t take herself too seriously, but she happens to be very intelligent, so that combination of those two things makes her just appealing.

From Los Angeles Times • May 18, 2026

She added that, as "intelligent, sensitive animals", any activity involving donkeys must always prioritise their welfare.

From BBC • May 16, 2026

He’s clearly an old soul, keenly intelligent, cheeky and sensitive.

From Salon • May 15, 2026

This week, Christopher Mims reports on Familiar Machines & Magic, a startup led by former iRobot chief Colin Angle that is developing emotionally intelligent robot companions.

From The Wall Street Journal • May 8, 2026

“Since she’s been at Efifi, she’s learned rapidly. She can read like an adult, and Dr. Masuku is going to teach her typing. She’s wonderful at arithmetic. I think she’s a very intelligent child.”

From "A Girl Named Disaster" by Nancy Farmer

Vocabulary lists containing intelligent

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