undone vs washed-up

undone and washed-up both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undone	No	Yes	No	No
washed-up	No	Yes	No	No

As adjectives, undone and washed-up are synonyms defined as:

Other synonyms of undone include done for, ruined, sunk.

undone (adjective)	washed-up (adjective)
thrown into a state of disorganization or incoherence	doomed to extinction
not fastened or tied or secured
not done
doomed to extinction