half-baked vs colloquialism

half-baked is not a noun while colloquialism is a noun.

Word	Noun	Adjective	Verb	Adverb
half-baked	No	Yes	No	No
colloquialism	Yes	No	No	No

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

half-baked (adjective)	colloquialism (adjective)
foolish; totally unsound
insufficiently cooked