deadly vs noxious

deadly and noxious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
deadly	No	Yes	No	Yes
noxious	No	Yes	No	No

deadly (adjective)	noxious (adjective)
exceedingly harmful	injurious to physical or mental health
extremely poisonous or injurious; producing venom
involving loss of divine grace or spiritual death
(of a disease) having a rapid course and violent effect
causing or capable of causing death
of an instrument of certain death

deadly (adverb)	noxious (adverb)
(used as intensives) excessively
as if dead