/ Dictionary / Index H hairsplitting: Meaning and Definition of Find definitions for: hair•split•ting Pronunciation: (hâr'split"ing), [key] — n. the making of unnecessarily fine distinctions. —adj. characterized by such distinctions: the hairsplitting arguments of a political debate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairsplitting (Thesaurus) hair space hair spray Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language