/ Dictionary / Index H hardboard: Meaning and Definition of Find definitions for: hard•board Pronunciation: (härd'bôrd", -bōrd"), [key] — n. a material made from wood fibers compressed into sheets, having many household and industrial uses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hardboard (Thesaurus) hard-bitten hard-boil Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language