MATCHLESS
matchless, nonpareil, one, one and only, peerless, unmatched, unmatchable, unrivaled, unrivalled
(adjective) eminent beyond or above comparison; “matchless beauty”; “the team’s nonpareil center fielder”; “she’s one girl in a million”; “the one and only Muhammad Ali”; “a peerless scholar”; “infamy unmatched in the Western world”; “wrote with unmatchable clarity”; “unrivaled mastery of her art”
Source: WordNet® 3.1
Etymology 1
Adjective
matchless (comparative more matchless, superlative most matchless)
Having no match; without equal.
Having no mate.
Synonyms
• (without equal): incomparable, nonpareil, peerless, unequaled, unmatched, unparalleled, unsurpassed
• (having no mate): single, unattached
Etymology 2
Adjective
matchless (not comparable)
Without the use of matches for ignition.
a matchless stove
Source: Wiktionary
Match"less, a. Etym: [Cf. Mateless.]
1. Having no equal; unequaled. "A matchless queen." Waller.
2. Unlike each other; unequal; unsuited. [Obs.] "Matchless ears."
Spenser.
– Match"less*ly, adv.
– Match"less*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition