solitary vs unsocial

solitary is a noun but unsocial is not a noun.

Word	Noun	Adjective	Verb	Adverb
solitary	Yes	Yes	No	No
unsocial	No	Yes	No	No

solitary (noun)	unsocial (noun)
one who lives in solitude
confinement of a prisoner in isolation from other prisoners

solitary (adjective)	unsocial (adjective)
being the only one; single and isolated from others	not seeking or given to association; being or living without companions
lacking companions or companionship
of plants and animals; not growing or living in groups or colonies
devoid of creatures
characterized by or preferring solitude