LAMENTABLE Meaning of LAMENTABLE in English adj. 1 (of an event, fate, condition, character, etc.) deplorable; regrettable. 2 archaic mournful. lamentably adv.[ ME f. OF lamentable or L lamentabilis (as LAMENT) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012