One who abstains completely from alcoholic beverages.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "teetotaler" in a sentence
"Apparently, down the rabbit hole with Alice where only a teetotaler is good enough to be called serious on drunk driving, or a Democrat, or someone who thinks a one time no harm incident is a death sentence."
"There are always plenty of people to sneer at the teetotaler; people who make money out of drink naturally do so; people who drink themselves naturally do so; the unmarried girl may do so, thinking that the teetotaler is a prig and not quite a man."
"Eagle Creek could not justly be called a teetotaler; but Pink had never known him to get worse than a bit wobbly in his legs; his mind had never fogged perceptibly."