Anything matrimonial has something to do with marriage or married people. A formal way to say "wedding," for example, would be "matrimonial event."

Marriage is a matrimonial agreement or bond, and the house a newly wed couple moves into can be called a matrimonial home. Matrimonial law governs the rules of marriage — like the license that declares two people legally married, or the age a person must be, legally, to get married. Originally, matrimonial was a noun meaning "a marriage," and then "a classified ad posted by someone seeking a spouse."

Definitions of matrimonial
  1. adjective
    of or relating to the state of marriage
    synonyms: marital, married
Word Family

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