colloquialism vs busted

colloquialism is a noun but busted is not a noun.

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

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

colloquialism (adjective)	busted (adjective)
	out of working order (`busted' is an informal substitute for `broken')