irretrievable breakdown of the marriage
irretrievable breakdown of the marriage. Family law. A ground for divorce that is based on incompatibility between marriage partners and that is used in many states as the sole ground of no-fault divorce. — Also termed irretrievable breakdown; irremediable breakdown of the marriage; irremediable breakdown. Cf. IRRECONCILABLE DIFFERENCES; INCOMPATIBILITY. [Cases: Divorce 12. C.J.S. Divorce §§ 13–18, 70.]