Members of religious communities sometimes take vows to remain celibate.
an unmarried person who has taken a religious vow of chastity abstaining from sexual intercourse; "celibate priests
Someone who is celibate does not marry or have sex, because of their religious beliefs. The Pope bluntly told the world's priests yesterday to stay celibate. A celibate is someone who is celibate
not married; unmarried. Sometimes confused with chaste (pure) and sexually abstinent (abstaining from sexual relations and pleasures). Members of religious communities sometimes take vows to remain celibate, since the community is their family
Someone who is celibate does not have sex during a particular period of their life. I was celibate for two years. not married and not having sex, especially because of your religious beliefs virgin (caelibatus, from caelebs )