| slacken(verb, separate, remove, release, free) |
| take off(expression, remove, undo, loosen) |
| unblock(verb, clear, separate, release, free) |
| uncage |
| unfix(verb, separate, remove, release, free) |
| unhitch(verb, separate, remove, release, free) |
| unhook(verb, separate, remove, release, free) |
| unloosen |
| unpin(verb, separate, remove, release, free) |
| unscrew(verb, separate, remove, release, free) |
| unshackle |
| unsnap(verb, separate, remove, release, free) |
| unstop(verb, clear, separate, release, free) |
| untighten(verb, separate, remove, release, free) |
| unyoke |
| work free(verb, expression, separate, remove, release) |
| work loose(verb, expression, separate, remove, release) |
| annul |
| break in(verb, expression, phrasal verb, clear, separate) |
| break out(verb, expression, phrasal verb, clear, separate) |