nut case nutcase • nut coal · · · Info · Definitions · Synonyms · Characters · · nut case · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a whimsically eccentric person. Synonyms: crackpot, crank, nut, nut case, fruitcake, screwball. · · Noun Definition 1 (noun) someone deranged and possibly dangerous. Synonyms: crazy, loony, looney, nutcase, weirdo. · · Noun Definition 1 Synonyms · · · crackpot · · Synonym 1 crank · · Synonym 2 nut · · Synonym 3 fruitcake · · Synonym 4 screwball · · Synonym 5 crazy · · Synonym 6 loony · · Synonym 7 looney · · Synonym 8 nutcase · · Synonym 9 weirdo · · Synonym 10 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075