/ Dictionary / Index P puissant: Meaning and Definition of Find definitions for: pu•is•sant Pronunciation: (py'u-sunt, py-is'unt, pwis'unt), [key] — adj. Literary. powerful; mighty; potent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: puissant (Thesaurus) puissance puja Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language