Stupid

//ˈstjuː.pɪd//

Antonyms for "stupid" (15 found)

Adjective(12 words)

brainy bright clever intelligent learned quick on the uptake quickwitted sharp-witted stupendous subtle whip-smart witty

Adjective(1 words)

Noun(2 words)

brain surgeon rocket scientist

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.