obsessiveness obsessively • obsessivity · · · Info · Definitions · Synonyms · Characters · · obsessiveness · · Text Latin · · Script 13 · · Length 5 · · Syllables Definitions · · · (noun) extreme compulsiveness. Synonyms: obsessivity. · · Noun Definition 1 Synonyms · · · obsessivity · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 v latin small letter v U+0076