talk of vs utter

talk of is not an adjective while utter is an adjective.

Word	Noun	Adjective	Verb	Adverb
talk of	No	No	Yes	No
utter	No	Yes	Yes	No

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

Other hypernyms of talk of include mouth, speak, talk, verbalise, verbalize.

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

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