deselect

verb

1. (transitive)To not select; to rule out of selection.

   “ACTION may deselect a Trainee out of a training program for any of the following reasons: (a) Failure to meet training selection standards which includes, but is not limited to, the following conduct: […]”

2. (British, transitive)To reject (an incumbent) as a party's candidate for a forthcoming election.

   “One recently deselected Sinn Féin assembly member, Davy Hyland in Newry and Armagh, has already quit the party in protest.”

3. (transitive)To remove from an existing selection.

   “Make sure you deselect any files you wish to keep before proceeding with the deletion.”