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HYPHEN
WORDNET DICTIONARY
THESAURUS

WORDNET DICTIONARY

Noun harmfulness has 2 senses

• harmfulness(n = noun.attribute) injuriousness - destructiveness that causes harm or injury; Array
is a kind of destructiveness
has particulars: insidiousness, virulence, virulency
Derived form adjective harmful₁

• harmfulness(n = noun.attribute) noisomeness, noxiousness - the quality of being noxious; Array
is a kind of morbidity, morbidness, unwholesomeness

THESAURUS

harmfulness

air, badness, balefulness, banefulness, bitchiness, contamination, cussedness, deadliness, detrimentalness, devilment, devilry, deviltry, evil intent, hatefulness, health hazard, hurtfulness, iniquitousness, injuriousness, insalubriousness, insalubrity, invidiousness, lethality, maleficence, malice, malice aforethought, malice prepense, maliciousness, malignance, malignancy, malignity, meanness, menace to health, mischievousness, nastiness, noise pollution, noisomeness, noxiousness, ominousness, orneriness, pathenogenicity, perniciousness, poisonousness, pollution, toxicity, unhealthfulness, unhealthiness, unsalutariness, unwholesomeness, venomousness, viciousness, virulence, water, wickedness

For further exploring for "harmfulness" in Webster Dictionary Online