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
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Merriam-Webster unabridged
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Time Traveler for noxious
The first known use of noxious was in the 15th century
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