abstinent
adjective
UK/ˈæb.stɪ.nənt/
US/ˈæb.stə.nənt/
Definitions of abstinent adjective
Refraining completely from indulging in something, such as alcohol or sex.
She decided to remain abstinent before marriage.
The doctor advised him to be abstinent from alcohol for health reasons.
During his recovery, he had to be strictly abstinent from drugs.