adjective
matrimonial
mat-rih-MOH-nee-ul/ˌmætrɪˈməʊniəl/
Relating to marriage or married life.
The exchange of wedding rings marks a matrimonial commitment.

Etymology
The underlying Latin marriage term combines “mother” with a suffix for a state or condition, connecting wedlock with motherhood. The adjective applies that marriage term to things concerning marriage or married life.
In context
If you had to save a marriage with one thing, what would it be? >> In 25 years of practicing matrimonial law
More examples
- They discussed their matrimonial plans.
- The novel explores matrimonial expectations.
- The document set out the couple’s matrimonial arrangements.
Forms
matrimonial