Definition of unselect in English:

unselect

verb

[WITH OBJECT]
  • Cancel the selection of.

    • ‘A word of warning: don't unselect any of the default selections from this list - things tend to come out muddled as a result.’
    • ‘Add to or modify your selection (clicking on a selected vector will unselect it) to try to get rid of all the red ones.’
    • ‘In the View Options unselect everything except ‘Year’.’
    • ‘To unselect them, just left-click once in the root window.’
    • ‘Not only that, but they took little five-minute breaks between each songs, carefully selecting, unselecting and reselecting which instruments they would play for the next song and discussing it all terribly intently.’

Pronunciation:

unselect

/ʌnsɪˈlɛkt/