unmarrying

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.
   • 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.1883, Anthony Trollope, Mr. Scarborough's Family