Synonyms for harmful


1. harmful (vs. harmless), abusive, bad, bruising, deleterious, hurtful, injurious, calumniatory, calumnious, defamatory, denigrative, denigrating, denigratory, libellous, libelous, slanderous, catastrophic, ruinous, counterproductive, damaging, detrimental, prejudicial, prejudicious, ill, insidious, pernicious, subtle, mischievous, nocent, stabbing, wounding, destructive, disadvantageous, malign, noxious, offensive, painful, toxic, unwholesome
usage: causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking"
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See also: harmful (Dictionary)


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