/ Dictionary / Index M M.P.A.: Meaning and Definition of Find definitions for: M.P.A. Pronunciation: [key] Master of Professional Accounting. Master of Public Administration. Master of Public Affairs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. MP M.P.E. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language