/ Dictionary / Index H hard-boil: Meaning and Definition of Find definitions for: hard-boil Pronunciation: (härd'boil'), [key] — v.t. to boil (an egg) until the yolk and white have become firm or solid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hardboard hard-boiled 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