PONDEROUS Meaning of PONDEROUS in English adj. 1 heavy; unwieldy. 2 laborious. 3 (of style etc.) dull; tedious. ponderosity n. ponderously adv. ponderousness n.[ ME f. L ponderosus f. pondus -eris weight ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012