adj. disastrous, destructive, catastrophic, calamitous, deleterious, pernicious, crippling, cataclysmic, baleful, fatal, toxic, poisonous, noxious, harmful, injurious, nasty, Archaic baneful Smoking can be ruinous to your health Who was behind the ruinous decision to move the factory to the north-east?
RUINOUS
Meaning of RUINOUS in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012