undone

adjectives

not done
"the work could be done or undone and nobody cared"
is similar to
not brought to an end or conclusion
"unfinished business"; "the building is still unfinished"
doomed to extinction
not fastened or tied or secured
"her blouse had come undone at the neck"; "his shoelaces were undone"
is similar to
not closed or secured
"the car door was unfastened"; "unfastened seatbelts"
thrown into a state of disorganization or incoherence
"price programs became unstuck because little grain was available"