/ Dictionary / Index H hairless: Meaning and Definition of Find definitions for: hair•less Pronunciation: (hâr'lis), [key] — adj. without hair; bald: his pink hairless pate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairless (Thesaurus) hair implant hairline Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language