undivorce noun 2verb 1forms 3 noun2 •A marriage in which the partners remain married in name only.We were Christians; Christians living in a state of undivorce.yet striving to keep the marriage together while living in great unpeace and disharmony. — 1978 •A state of not being divorced.Michael is not, in fact, interested in an undivorce, but in making our divorce more permanent. — 2014 verb1 •To undo or cancel a divorce.'Did you undivorce me?' " Rafer asked. Daddy explained that he had divorced only Rafer's mother, and off they went to the park. — 1971 formsundivorced · undivorcing · undivorces