/ Dictionary / Index M Mifflin: Meaning and Definition of Find definitions for: Miff•lin Pronunciation: (mif'lin), [key] 1744–1800, American politician and Revolutionary general: president of the Continental Congress 1783–84; governor of Pennsylvania 1790–99. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. miffed miffy Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language