nutter nutted • nuttery · · · Info · Definitions · Synonyms · Characters · · nutter · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a person who is regarded as eccentric or mad. Synonyms: wacko, whacko. · · Noun Definition 1 Synonyms · · · wacko · · Synonym 1 whacko · · Synonym 2 Characters · · e latin small letter e U+0065 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075