/ Dictionary / Index E extrabold: Meaning and Definition of Find definitions for: ex•tra•bold Pronunciation: (ek'stru-bōld'), [key] — Print. Print. —n. unusually heavy boldface type. —adj. in extrabold. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. extra-base hit extrabudgetary Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language