ab ‧ sti ‧ nence /ˈæbstənəns, ˈæbstɪnəns/ BrE AmE noun [uncountable]
[ Date: 1300-1400 ; Language: Old French ; Origin: Latin abstinentia , from Latin abstinere ; ⇨ ↑ abstain ]
the practice of not having something you enjoy, especially alcohol or sex, usually for reasons of religion or health
—abstinent adjective