1 noxious | Definition of noxious

noxious

adjective
nox·​ious | \ ˈnäk-shÉ™s How to pronounce noxious (audio) \

Definition of noxious

1a : physically harmful or destructive to living beings noxious waste noxious fumes
b : constituting a harmful influence on mind or behavior especially : morally corrupting noxious doctrines
2 : disagreeable, obnoxious this noxious political scandal— H. L. Ickes