shy vs colloquialism

shy and colloquialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
shy	Yes	Yes	Yes	No
colloquialism	Yes	No	No	No

shy (noun)	colloquialism (noun)
a quick throw	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

shy (adjective)	colloquialism (adjective)
lacking self-confidence
short
wary and distrustful; disposed to avoid persons or things

shy (verb)	colloquialism (verb)
throw quickly
start suddenly, as from fright