Teetotalism
/ˌtiːˈtəʊtəlɪzəm/
Definition 1 of 1
Pro Tip 1/3Alcohol Avoidance
Teetotalism specifically refers to not drinking alcohol at all, not just drinking less. 
Despite peer pressure, Mark's teetotalism never wavered.
Pro Tip 2/3Personal Choice
Teetotalism is a personal lifestyle choice and doesn't imply judgment of others' drinking habits. 
Sarah's teetotalism is a personal health choice, not a critique of your wine glass.
Pro Tip 3/3Positive Connotation
Teetotalism often carries a positive connotation of discipline and self-care. 
Her teetotalism contributed to her reputation for being disciplined and health-conscious.