heftiness heftily • hefty · · · Info · Definitions · Synonyms · Characters · · heftiness · · Text Latin · · Script 9 · · Length Definitions · · · (noun) possessing muscular strength. Synonyms: brawn, brawniness, muscle, muscularity, sinew. · · Noun Definition 1 (noun) the property of being large in mass. Synonyms: heft, massiveness, ponderousness, ponderosity. · · Noun Definition 2 Synonyms · · · brawn · · Synonym 1 brawniness · · Synonym 2 muscle · · Synonym 3 muscularity · · Synonym 4 sinew · · Synonym 5 heft · · Synonym 6 massiveness · · Synonym 7 ponderousness · · Synonym 8 ponderosity · · Synonym 9 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074