unfastened (
http://definr.com/unfastened)
adj 1: not closed or secured; "the car door was unfastened";
"unfastened seatbelts" [ant:
fastened]
2: affording unobstructed entrance and exit; not shut or
closed; "an open door"; "they left the door open" [syn:
open]
[ant:
shut]
3: not buttoned; "the wind picked up the hem of her unbuttoned
coat" [syn:
unbuttoned] [ant:
buttoned]
4: not tied [syn:
untied] [ant:
tied]