/ Dictionary / Index A absolute impediment: Meaning and Definition of Find definitions for: ab'solute imped'iment Pronunciation: [key] — Law. Law. a fact or circumstance that disqualifies a person from lawful marriage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. absolute humidity absolute index of refraction Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language