squinting vs shut

squinting and shut both are adjectives.

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

squinting (adjective)	shut (adjective)
having eyes half closed in order to see better	not open
	used especially of mouth or eyes

squinting (verb)	shut (verb)
	move so that an opening or passage is obstructed; make shut
	become closed
	prevent from entering; shut out