from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the state of being noxious
from The Century Dictionary and Cyclopedia
- n. The quality or state of being noxious or hurtful; hurmfulness; perniciousness: as, the noxiousness of foul air.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the quality of being noxious
noxious + -ness (Wiktionary)