35 intelligent synonyms include clever, bright, brilliant, sharp, quick, quick-witted, quick on the uptake, smart, canny, and astute. Intelligent is an adjective, and its antonyms are stupid and non-rational. Here are some additional synonyms for "intelligent" with example sentences.
35 other ways to say intelligent.
He is an intelligent and thoughtful leader.
She is an intelligent problem solver.
The professor gave intelligent answers quickly.