blinking vs closed

blinking is a noun but closed is not a noun.

Word	Noun	Adjective	Verb	Adverb
blinking	Yes	Yes	No	No
closed	No	Yes	No	No

blinking (noun)	closed (noun)
a reflex that closes and opens the eyes rapidly

blinking (adjective)	closed (adjective)
closing the eyes intermittently and rapidly	not open or affording passage or access
informal intensifiers	(set theory) of an interval that contains both its endpoints
	used especially of mouth or eyes
	not open
	blocked against entry
	not open to the general public
	with shutters closed
	requiring union membership
	not having an open mind