shut up vs shut

shut up and shut both are adjectives.

Word	Noun	Adjective	Verb	Adverb
shut up	No	Yes	Yes	No
shut	No	Yes	Yes	No

shut up (adjective)	shut (adjective)
closely confined	not open
	used especially of mouth or eyes

shut up (verb)	shut (verb)
cause to be quiet or not talk	move so that an opening or passage is obstructed; make shut
refuse to talk or stop talking; fall silent	become closed
place in a place where something cannot be removed or someone cannot escape	prevent from entering; shut out