ponderousness

the state or quality of being heavy the sheer ponderousness of each stone of the huge pyramid makes its construction all the more remarkable Synonyms avoirdupois, heaviness, heftiness, massiveness, weightinessRelated Words overweight; solidity, solidness, substantiality, substantialness; bulk, bulkiness, hugeness; cumbersomenessNear Antonyms airiness, delicacy, ethereality, etherealness; flimsiness, fluffiness, insubstantiality, slightnessAntonyms lightness, weightlessness