TEETOTAL
dry, teetotal
(adjective) practicing complete abstinence from alcoholic beverages; “he’s been dry for ten years”; “no thank you; I happen to be teetotal”
teetotal
(verb) practice teetotalism and abstain from the consumption of alcoholic beverages
Source: WordNet® 3.1
Etymology
Adjective
teetotal (comparative more teetotal, superlative most teetotal)
Abstinent from alcohol; never drinking alcohol.
Synonyms: on the wagon, straightedge
Antonyms: alcoholic, dipsomaniac, drunkard
Opposed to the drinking of alcohol.
(dated, emphatic) Total.
Noun
teetotal (plural teetotals)
One who abstains from drinking alcohol.
Synonyms: teetotaler, pioneer
Source: Wiktionary
Tee*to"tal, a.
Definition: Entire; total. [Colloq.]
Source: Webster’s Unabridged Dictionary 1913 Edition