insaneness insanely • insanify · · · Info · Definitions · Synonyms · Characters · · insaneness · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) obsolete terms for legal insanity. Synonyms: lunacy, madness. · · Noun Definition 1 Synonyms · · · lunacy · · Synonym 1 madness · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073