PONDEROUS Meaning of PONDEROUS in English adj.1 heavy; unwieldy. 2 laborious. 3 (of style etc.) dull; tedious. Derivatives: ponderosity n. ponderously adv. ponderousness n. Etymology: ME f. L ponderosus f. pondus -eris weight Oxford English vocab. Оксфордский английский словарь. 2012