n. A person who completely abstains from alcoholic beverages.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a total abstainer
Word Usage
"Yes, laugh as ye will, ye lovers of gin and beer and whisky, one who has tried it, and has seen it tried by hundreds of stout stalwart men, tells you that the teetotaller is the best man for real hard work."