Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun toxicity

2 senses of toxicity

Sense 1
toxicity -- (the degree to which something is poisonous)
       => definite quantity -- (a specific measure of amount)

Sense 2
perniciousness, toxicity -- (grave harmfulness or deadliness)
       => unwholesomeness, morbidness, morbidity -- (the quality of being unhealthful and generally bad for you)