fast (subs.) Copy link • fast (subs.): jējūnium: to break a f., j. solvere, Cic.: those, long f.s subdue, with scanty food, illos longa domant inopi j. victu, Ov.: to appoint a f. in honour of Ceres, j. Cereri instituere, Liv.: to declare a f., j. indicere, Hor.: v. fasting.