Teetotaler vs. Teetotalism — What's the Difference?

One who abstains completely from alcoholic beverages.

Teetotalism is the practice or promotion of complete personal abstinence from alcoholic beverages. A person who practices (and possibly advocates) teetotalism is called a teetotaler (plural teetotalers) or is simply said to be teetotal.

(American spelling) A person who completely abstains from alcoholic beverages.

One who abstains completely from alcoholic beverages.

One pledged to entire abstinence from all intoxicating drinks.

Abstinence from the consumption of alcohol.

A total abstainer

The principle or practice of entire abstinence, esp. from intoxicating drinks.

Abstaining from alcohol