unclicks

Unclicks is the action of releasing a mouse button or, more broadly, reversing a click-based selection or action.

In computing contexts, you might unclick a checkbox to deselect an option, or unclick a button that was accidentally pressed.

The term extends to any mechanism that clicks into place and can be released: She unclicks the seatbelt and steps out of the car.

The word captures both the physical release and the undoing of whatever the original click accomplished.