Crossword Clue:

to release from a fastening

AnswerCrossword Clue
UNFIXLoosen from a fastening
UNHITCHRelease from a post
UNMOORRelease from a dock
UNPENRelease from a cage
SPRANGArranged a release, as from jail
MANDELACheney opposed a call for his release from prison