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.

Would you buy an emotionally intelligent robot to look after a loved one?

From The Wall Street Journal • May 4, 2026

Familiar Machines is betting that an emotionally intelligent robot will tap in to our tendency to grow attached to machines, and that this will make its creations better helpers.

From The Wall Street Journal • May 4, 2026

People who knew him through his work there described him in interviews as intelligent and professional.

From Los Angeles Times • May 3, 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

“I knows him!” and, after a few convulsive efforts, the red legs took the shape of a pair of compasses, and the intelligent pupil triumphantly shouted, “It’s a We, Dranpa, it’s a We!”

From "Little Women" by Louisa May Alcott

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!