shrewd, a.1Géarchúiseach, fadcheannach, grinn, críonna. Shrewd business man, fear críonna i mbun gnóthaí. Shrewd outlook, dearcadh fadcheannach. 2A: (Of cold) Nimhneach, goimhiúil. 3(Intensive) I have a shrewd idea that. . ., is é mo thuairim láidir go. . . ►shrewdly, adv.Go glic, etc.