unwive

verb2

1. •
   (no longer used) To divest of a wife; to divorce (someone) from his wife.
2. •
   (no longer used) To cause (a woman) no longer to be a wife.

   • State law was not needed to unwive her. She had never been a wife. She had experienced nothing, given nothing. She had mocked passion with barter, and starved love with selfishness. — 1913