/ Dictionary / Index M madden: Meaning and Definition of Find definitions for: mad•den Pronunciation: (mad'n), [key] — v.t. to anger or infuriate: The delays maddened her. to make insane. —v.i. to become mad; act as if mad; rage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: madden (Thesaurus) MADD maddening Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language