military vs civilian

military and civilian both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
civilian	Yes	Yes	No	No

military (noun)	civilian (noun)
the military forces of a nation	a nonmilitary citizen

military (adjective)	civilian (adjective)
associated with or performed by members of the armed services as contrasted with civilians	associated with civil life or performed by persons who are not active members of the military
characteristic of or associated with soldiers or the military
of or relating to the study of the principles of warfare