/ Dictionary / Index M matchless: Meaning and Definition of Find definitions for: match•less Pronunciation: (mach'lis), [key] — adj. having no equal; peerless; unequaled; incomparable: matchless courage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: matchless (Thesaurus) matched order matchlist Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language