adjective
connubial
kuh-NOO-bee-ul/kəˈnuːbiəl/
Relating to marriage or married life.
They find connubial bliss in the quiet routines of home.

Etymology
The pieces combine marrying with togetherness, forming the Latin expression for wedlock. The adjective describes that marital union and the relationship between spouses.
More examples
- Their frequent arguments disturb the connubial peace.
- The novel explores the strains of connubial life.
- They celebrate twenty years of connubial happiness.