teetotal

from WordNet (r) 3.0 (2006)

teetotal
    adj 1: practicing complete abstinence from alcoholic beverages;
           "he's been dry for ten years"; "no thank you; I happen to
           be teetotal" [syn: {dry}, {teetotal}]
    v 1: practice teetotalism and abstain from the consumption of
         alcoholic beverages

from The Collaborative International Dictionary of English v.0.48

Teetotal \Tee*to"tal\, a.
   Entire; total. [Colloq.]
   [1913 Webster]