adj. dangerous, pernicious, deleterious, destructive, damaging, bad, detrimental, injurious; unhealthy, noxious, baleful, toxic, poisonous, venomous, Archaic baneful Do you really think that Barbara has had a harmful influence on him? That substance can be harmful if swallowed
HARMFUL
Meaning of HARMFUL in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012