unfastened vs undone

unfastened and undone both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfastened	No	Yes	No	No
undone	No	Yes	No	No

unfastened (adjective)	undone (adjective)
not closed or secured	thrown into a state of disorganization or incoherence
not buttoned	not fastened or tied or secured
not tied	not done
affording unobstructed entrance and exit; not shut or closed	doomed to extinction