Bibbers, which means someone who drinks too much or too often, has several antonyms, or opposite words. The first antonym is abstainer, which refers to someone who refrains from drinking alcohol. Teetotaler is another antonym, which also means a person who completely avoids alcoholic drinks.
Moderation is also an opposite word for bibbers. Moderation suggests the idea of drinking within reasonable limits and avoiding excessive amounts of alcohol. Furthermore, sobriety can also be an antonym for bibbers, indicating the state of being sober, clear-headed, and without any alcohol in the body.
In summary, the antonyms for bibbers include abstainer, teetotaler, moderation, and sobriety.