Genius

//ˈd͡ʒiː.ni.əs//

Antonyms for "genius" (14 found)

Adjective(9 words)

dense dull dull-witted half-brained lumpish purblind slow on the uptake slow-witted thick

Noun(4 words)

fathead idiot ignoramus mundane

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