chirr vs utter

chirr is not an adjective while utter is an adjective.

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

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

Other hypernyms of chirr include emit, let loose, let out.

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

chirr (verb)	utter (verb)
make a vibrant noise, of grasshoppers or cicadas	express in speech
	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation