unmarry

English

Etymology

un- +‎ marry

Verb

unmarry (third-person singular simple present unmarries, present participle unmarrying, simple past and past participle unmarried)

1. (transitive) To undo the action of marrying somebody.
   • 1883, Anthony Trollope, Mr. Scarborough's Family‎^[1]:

     But there can be no doubt that John Scarborough and Ada Sneyd were married at Rummelsburg, and that it will be found to be impossible to unmarry them.

   • 1909, Miles Franklin, Some Everyday Folk and Dawn‎^[2]:

     If you like to exercise your authority I'll run away and you can't unmarry me.