A man's inability to copulate. Impotence can be grounds for annulment of a marriage if the condition existed at the time of the marriage and is grounds for divorce in some states.


A conflict in personalities that makes married life together impossible. In a number of states, incompatibility is the accepted reason for a no-fault divorce.

See also: irreconcilable differences


Unable to live together as husband and wife due to irreconcilable differences. If one spouse desires to end the marriage, that fact proves incompatibility, and a divorce will be granted even though the other spouse does not want a divorce.

Incurable Insanity

A legal reason for obtaining a divorce. It is rarely used, however, because of the difficulty of proving both the insanity of the spouse being divorced and that the insanity is incurable.

interlocutory decree

A non-final judgment made by a court between the time of filing and before there is a final judgment made. Interlocutory decrees are not final judgments because they do not settle all of the issues presented in the case. They are...

irreconcilable differences

The term “irreconcilable differences” is a phrase used in family law as one of the grounds that can be cited for a no-fault divorce. Different states also use the terms incompatibility and irremediable or irretrievable breakdown....

irremediable or irretrievable breakdown

Definition from Nolo’s Plain-English Law DictionaryAn accepted ground for a no-fault divorce. As a practical matter, courts seldom, if ever, inquire into whether the marriage has actually broken down, and routinely grant a divorce as long as the party...

joint custody

Joint custody is an arrangement between separated parents where each parent has a degree of control over, and a measure of responsibility for a child. Joint custody involves both physical custody and legal custody. Joint legal...

legal separation

Legal separation is an arrangement where a married couple lives apart but remains legally married. Legal separations may be mutually agreed to or ordered by judicial decree. Often parties who legally separate do so for religious...

Marital Misconduct

Conduct that is alleged to have caused the erosion of the marriage. In some states the spouse found guilty of martial misconduct will be adversely effected during property division, distribution of spousal support, or awarding attorney's fees. In...