Pū'is-sant or Pu-is'sant, a.

a. [Fr., Pr. poisson, Pg. possante, It. possente, Lat. potens, from posse, to be able.] Powerful; strong; mighty; forcible; as, a puissant prince or empire. “For piety renowned and puissant deeds.” Milton. Yet for Sarmatia’s tears of blood atone, And make her arm puissant as your own. Campbell. And worldlings in it are less merciful, And more puissant. E. B. Browning.