harmless

Synonyms

benign, benignant

pleasant and beneficial in nature or influence

innocent, innocuous

lacking intent or capacity to injure

innocuous

not injurious to physical or mental health

painless

not causing physical or psychological pain

safe

free from danger or the risk of harm

atoxic, nontoxic

not producing or resulting from poison

Antonyms:

harmful

causing or capable of causing harm

disadvantageous

constituting a disadvantage

malign

evil or harmful in nature or influence

destructive

causing destruction or much damage

abusive

characterized by physical or psychological maltreatment

bad

capable of harming

bruising

causing mental or emotional injury

deleterious, hurtful, injurious

harmful to living things

calumniatory, calumnious, defamatory, denigrating, denigrative, denigratory, libellous, libelous, slanderous

(used of statements) harmful and often untrue; tending to discredit or malign

catastrophic, ruinous

extremely harmful; bringing physical or financial ruin

counterproductive

tending to hinder the achievement of a goal

damaging, detrimental, prejudicial, prejudicious

(sometimes followed by `to') causing harm or injury

ill

resulting in suffering or adversity

insidious, pernicious, subtle

working or spreading in a hidden and usually injurious way

mischievous

deliberately causing harm or damage

nocent

having a tendency to cause harm

stabbing, wounding

causing physical or especially psychological injury

noxious

injurious to physical or mental health

offensive

causing anger or annoyance

painful

causing physical or psychological pain

toxic

of or relating to or caused by a toxin or poison

unwholesome

detrimental to physical or moral well-being

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