terrible vs colloquialism

terrible is not a noun while colloquialism is a noun.

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

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

terrible (adjective)	colloquialism (adjective)
causing fear or dread or terror
extreme in degree or extent or amount or impact
intensely or extremely bad or unpleasant in degree or quality
exceptionally bad or displeasing