Possible Questions:
- Free
- Relax
- Set free
- Ease
- Undo
- Ease up
- Detach
- Untie
- Give some slack
- Unfasten
- Relax, as rules
- Uncinch
- Ease up on
- Disengage
- Unknot
- Undo, as laces
- Unbind
- Let out a bit, as a belt
- Add slack
- Untie, perhaps
- Untie, as shoelaces
- Unlace, perhaps
- Unknot, as a tie
- Unbuckle
- Turn counterclockwise, maybe
- Start to untie
- Render removable, perhaps
- Relax, as regulations
- Make less tight
- Let out a few notches in
- Let go a bit
- Become less strict, with "up"