pour out vs utter

pour out is not an adjective while utter is an adjective.

Word	Noun	Adjective	Verb	Adverb
pour out	No	No	Yes	No
utter	No	Yes	Yes	No

As verbs, utter is a hypernym of pour out; that is, utter is a word with a broader meaning than pour out:

Other hypernyms of pour out include express, give tongue to, verbalise, verbalize.

pour out (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

pour out (verb)	utter (verb)
express without restraint	express in speech
pour out gradually, so as to separate out sediment	articulate; either verbally or with a cry, shout, or noise
be disgorged	express audibly; utter sounds (not necessarily words)
pour out liberally	put into circulation