Roxana Child Custody Lawyer, Kentucky

Consensual sexual relations by a married person with someone other than his or her spouse. In many states, adultery is technically a crime, though people are rarely prosecuted for it. In states that have retained fault grounds for divorce, adultery is always sufficient grounds for a divorce. In addition, some states alter the distribution of property between divorcing spouses in cases of adultery, giving less to the 'cheating' spouse.

One person's approval of another's activities, constituting a defense to a fault divorce. For example, if a wife did not object to her husband's adultery and later tries to use it as grounds for a divorce, he could argue that she had condoned his behavior and could perhaps prevent her from divorcing him on these grounds.

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. Compare irreconcilable differences; irremediable breakdown.

The ability of a prospective adoptive parent to provide for the best interests of a child. A court may consider many aspects of the prospective parents' lives in evaluating their fitness to adopt a child, including financial stability, marital stability, career obligations, other children, physical and mental health and criminal history.

A doctrine that grants the spouse least at fault a divorce when both spouses have shown grounds for divorce. It is a response to an old common-law rule that prevented a divorce when both spouses were at fault.

A mistake by both spouses in a marriage that can serve as grounds for an annulment. For example, if one spouse went into the marriage wanting children while the other did not, they have a misunderstanding that will be judged serious enough for a court to terminate the marriage.

The legal union of two people. Once a couple is married, their rights and responsibilities toward one another concerning property and support are defined by the laws of the state in which they live. A marriage can only be terminated by a court granting a divorce or annulment. Compare common law marriage.

A parent's failure to provide any financial assistance to or communicate with his or her child over a period of time. When this happens, a court may deem the child abandoned by that parent and order that person's parental rights terminated. Abandonment also describes situations in which a child is physically abandoned -- for example, left on a doorstep, delivered to a hospital or put in a trash can. Physically abandoned children are usually placed in orphanages and made available for adoption.

An adult who has been given the legal right by a court to control and care for a minor or her property. Someone who looks after a child's property is called a 'guardian of the estate.' An adult who has legal authority to make personal decisions for the child, including responsibility for his physical, medical and educational needs, is called a 'guardian of the person.' Sometimes just one person will be named to take care of all these tasks. An individual appointed by a court to look after an incapacitated adult may also be known as a guardian, but is more frequently called a conservator.