A divorce, legally called a "dissolution of marriage," is a court procedure to end a marriage. The party who starts the divorce is known as the Petitioner. The other party is known as the Respondent.starts the divorce is known as the Petitioner. The other party is known as the Respondent.
Arizona is a no-fault state, which means that neither spouse needs to give a reason for the divorce. Only one party needs to assert that he or she believes the marriage is "irretrievably broken." If the parties choose to have a "covenant marriage" at the time of their marriage or later convert their marriage to a covenant marriage, the party seeking the divorce must prove grounds found in A.R.S. §25-903.