baneful, corrupting, dangerous, deleterious, destructive, detrimental, fetid, foul, harmful, hurtful, insalubrious, insalutary, noisome, pernicious, pestiferous, pestilent, pestilential, poisonous, putrid, sickly, spoiled, stinking, toxic, unhealthful, unhealthy, unwholesome, venomous, virulent
Fluorine is very noxious/toxic.
The car's exhaust fumes are noxious!
Do not inhale noxious gases, they are bad for you
noxious fumes are dangerous and can kill us
Beware of noxious fumes when working with volatile liquids in confined areas.
no
no
no
We were all sent home after noxious gases filled our office building. The noxious chemicals caused burning to the skin. He passed out after inhaling noxious fumes.
yes
Harmless
bibulous