lethality n 1: the quality of being deadly [syn: {deadliness}, {lethality}]
Lethality \Le*thal"i*ty\ (l[-e]*th[a^]l"[i^]*t[y^]), n. [Cf. F. l['e]thalit['e].] The quality of being lethal; mortality. [1913 Webster] Lethargic
23 Moby Thesaurus words for "lethality": balefulness, banefulness, deadliness, detrimentalness, fatality, harmfulness, hurtfulness, injuriousness, malignance, malignancy, malignity, mischievousness, mortality, noisomeness, noxiousness, ominousness, perniciousness, poisonousness, toxicity, unhealthiness, venomousness, viciousness, virulence