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.

Another "extremely intelligent" bear filmed chasing people in Fukushima is still evading officials, as Japan deals with a rise in bear encounters.

From BBC • Jun. 9, 2026

Mr Justice Kinney said Natalie knew what she wanted from life and was "intelligent, passionate and funny".

From BBC • Jun. 3, 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

"The aim is to have the most intelligent systems possible so that afterwards, with the necessary adaptations, they'll have the greatest possible impact on businessses," Mensch said.

From Barron's • May 28, 2026

The people who worked on the relevant Goldman Sachs mortgage bond trading desk were all extremely intelligent.

From "The Big Short" by Michael Lewis

Vocabulary lists containing intelligent

More Positive Words to Describe a Person

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Positive Words to Describe People, List 1

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

List 5

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!