unset >> ʌnˈsɛt
Definition: [adjective] not having been set or fixed.
Example: the album will be launched on an as yet unset date in August
Definition: [adjective] (of a jewel) not yet placed in a setting; unmounted.
Example: ten unset sapphires
Definition: [adjective] not yet hardened into a solid or semi-solid state.
Example: unset egg white
Definition: [verb] cancel or undo the setting of (a machine or device).
Example: another employee showed him how to set and unset the alarm