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Webster 1828 Edition
Noxiousness
NOX'IOUSNESS
,Noun.
1.
Hurtfulness; the quality that injures, impairs or destroys; insalubrity; as the noxiousness of foul air.2.
The quality that corrupts or perverts; as the noxiousness of doctrines.Noy, noyance, noyer, noyful, noyous, noysance. [See Annoy and Nuisance.]