celibate
He said that celibacy is fine, and sometimes even restful.
The church resists any effort to change policies regarding birth control, priestly celibacy, or the ordination of women.
the rule of clerical celibacy

celibacy | American Dictionary

celibacy
noun[ U ]
us/ˈsel·ə·bə·si/
the state of intentionally not being married or having a sexual relationship

celibate

adjective[ not gradable ]us/ˈsel·ə·bət/
a celibate life