A heavy quality or state
A system of such measures, such as avoirdupois weight or troy weight.
(Slang) One that is very important or influential:
Find another word for massiveness. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for massiveness, like: heaviness, weight, heftiness, ponderosity, ponderousness, weightiness, avoirdupois, heavy, heft and bulkiness.