abstainernoun · Level 3 SAT1someone who practices self denial as a spiritual disciplineAs a committed abstainer, he politely declined the wine and asked the waiter for sparkling water instead.ModuleLevel 3Registeracademic, contrastCollectionCollection 044SAT Complete planAlso in Collection 044plight, slake, ceaseless, defamation, nonesuch, unceasing, convolute, discontinuity and 1 more