FAST Meaning of FAST in English v. 1 abstain, go hungry, deny oneself, diet, starve (oneself) Do you fast during Lent? n. 2 abstention, abstinence, fasting, self-denial, diet; hunger strike She went on a two-week fast Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012