/ Dictionary / Index M mediocre: Meaning and Definition of Find definitions for: me•di•o•cre Pronunciation: (mē"dē-ō'kur), [key] — adj. of only ordinary or moderate quality; neither good nor bad; barely adequate. rather poor or inferior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mediocre (Thesaurus) mediocracy mediocris Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language