Punishable \Pun"ish*a*ble\, a. [Cf. F. punissable.] Deserving of, or liable to, punishment; capable of being punished by law or right; -- said of person or offenses. That time was, when to be a Protestant, to be a Christian, was by law as punishable as to be a traitor. -- Milton. -- {Pun"ish*a*ble*ness}, n.