Synonyms: heft, heftiness, ponderosity, ponderousness, massiveness
Definition: the property of being large in mass
Similar words: weightiness, heaviness
Definition: the property of being comparatively great in weight
Usage: the heaviness of lead
Synonyms: muscle, muscularity, brawn, brawniness, heftiness, sinew
Definition: possessing muscular strength
Similar words: strength
Definition: the property of being physically or mentally strong
Usage: fatigue sapped his strength