intelligent 3 antonyms and opposites of intelligent. Adj — Having or showing a strong ability to learn, reason, and understand. Synonyms for intelligent astute brainy bright brilliant clever educated genius gifted ingenious intellectual keen knowledgeable piquant quick quick on the uptake quick-witted rational sagacious savvy scholared sharp smart talented whip-smart wise Antonyms for intelligent stupid dumb unintelligent ← Back to the full definition of intelligent
