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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS
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WORDNET DICTIONARY

Noun toxicity has 2 senses

• toxicity(n = noun.quantity) Array - the degree to which something is poisonous; Array
is a kind of definite quantity
has particulars: cytotoxicity
Derived form adjective toxic₁

• toxicity(n = noun.attribute) perniciousness - grave harmfulness or deadliness; Array
is a kind of morbidity, morbidness, unwholesomeness

CIDE DICTIONARY

THESAURUS

toxicity

balefulness, banefulness, communicability, contagiousness, deadliness, destructiveness, detrimentalness, harmfulness, hurtfulness, infectiousness, infectivity, injuriousness, lethality, malignance, malignancy, malignity, mischievousness, noisomeness, noxiousness, ominousness, perniciousness, poison, poisonousness, unhealthiness, venom, venomousness, viciousness, virulence, virulency

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toxicity

Insalubrity

N insalubrity, unhealthiness, nonnaturals, plague spot, malaria, death in the pot, contagion, toxicity, insalubrious, unhealthy, unwholesome, noxious, noisome, morbific, morbiferous, mephitic, septic, azotic, deleterious, pestilent, pestiferous, pestilential, virulent, venomous, envenomed, poisonous, toxic, toxiferous, teratogenic, narcotic, contagious, infectious, catching, taking, epidemic, zymotic, epizootic, innutritious, indigestible, ungenial, uncongenial, deadly.

For further exploring for "toxicity" in Webster Dictionary Online