dunce cap dunce • duncedom · · · Info · Definitions · Synonyms · Characters · · dunce cap · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a cone-shaped paper hat formerly placed on the head of slow or lazy pupils. Synonyms: dunce cap, dunce's cap, fool's cap. · · Noun Definition 1 Synonyms · · · dunce's cap · · Synonym 1 fool's cap · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 n latin small letter n U+006E p latin small letter p U+0070 u latin small letter u U+0075