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What is the opposite of harmlessness?

Need antonyms for harmlessness? Here's a list of opposite words from our thesaurus that you can use instead.

Noun
▲
Opposite of not causing harm or offense
offensiveness
indecency
vulgarity
nastiness
rudeness
impoliteness
abusiveness
tastelessness
Noun
▲
(especially of medicine or drugs) Opposite of the state of not having the ability to cause harm
harmfulness
deadliness
noxiousness
deleteriousness
perniciousness
destructiveness
ruinousness
insidiousness
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See Also

Nearby Words
harmlessnesses
harmless untruth
harmonic
harmonically
harmonicities
harmonicity
harmless microorganisms
harmless microorganism
harmlessly
harmless
harming
harmfulnesses
12-letter Words Starting With
h
ha
har
harm
harml
harmle
harmles
harmless
harmlessn
harmlessne
harmlessnes
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