A "painless divorce" refers to a situation where a couple ends their marriage in a peaceful and amicable way without any major disagreements, conflicts, or difficulties. Full definition
In other cases in which divorce mediation is sought by a couple who wishes to have an inexpensive, easy and virtually painless divorce. (zdfamilylaw.com)
The marriage ended in a painless divorce three years later. (moneysense.ca)
A marriage that starts with a prenuptial agreement also can potentially go through a painless divorce. (autoaccidentdenverlawyer.com)