HEFTINESS Scrabble 15 Words With Friends 15 Definition noun possessing muscular strength. — synonyms: brawn, brawniness, muscle, muscularity, sinew noun the property of being large in mass. — synonyms: heft, massiveness, ponderousness, ponderosity See all 196 words you can make from HEFTINESS → 9-letter words Words starting with H Words ending with S ← Unscramble different letters