betrothed

adjective
UK /bɪˈtrəʊðd/
US /bɪˈtroʊðd/

Having promised to marry someone.

The betrothed couple planned their wedding for the spring.


OTHER MEANINGS

2. A person who is engaged to be married.

She introduced her betrothed to her parents.

3. Formally pledged or promised in marriage.

Their betrothed union was arranged by both families.

4. Bound by a promise or commitment.

He felt betrothed to the cause for life.