irreconcilable

His complaint, obtained Wednesday by The Times, said that he and Prepon, both 44, had “suffered irreconcilable differences” and “are unable to live together successfully as husband and wife.”

The crunch came in crisis talks this week, when it became clear that both sides were irreconcilable.

Mellencamp, 43, cites “irreconcilable differences” and is seeking physical and legal custody over the three minor children she shares with Arroyave, according to court documents.

No-fault divorce currently allows spouses to file over "irreconcilable differences," "incompatibility" or because their marriages are "irretrievably broken," among other synonyms, with specific language depending on the state.

The pair married in 1994 and divorced two years later citing "irreconcilable differences."