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.

He suggested that discovering intelligent life beyond Earth could force people to look beyond their differences.

From BBC • Jun. 4, 2026

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

From BBC • Jun. 3, 2026

CEO George Kurian said NetApp’s cloud intelligent data infrastructure platform was powering AI-driven transformations for its enterprise customers.

From Barron's • May 29, 2026

Its members are extraordinarily intelligent, fabulously wealthy and—increasingly—ideologically possessed.

From The Wall Street Journal • May 29, 2026

Next morning, Miss Scatcherd wrote in conspicuous characters on a piece of pasteboard the word “Slattern,” and bound it like a phylactery round Helen’s large, mild, intelligent, and benign-looking forehead.

From "Jane Eyre" by Charlotte Brontë

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!