unmitigated vs utter

unmitigated and utter both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unmitigated	No	Yes	No	No
utter	No	Yes	Yes	No

unmitigated (adjective)	utter (adjective)
not diminished or moderated in intensity or severity; sometimes used as an intensifier	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

unmitigated (verb)	utter (verb)
	express in speech
	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation