Wiktionary
a. Unable to be matched
WordNet
adj. 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" [syn: matchless, nonpareil, one(a), one and only(a), peerless, unmatched, unrivaled, unrivalled]
Usage examples of "unmatchable".
When she strikes, her speed and savagery will be unmatched, unmatchable.
The feeling of unmatchable power was blazing in him now, and he could not wait to close with the mounted figure he had just seen.
All kinds of other enterprises vital to the economic health of the nation and continental Europe found themselves starved of capital, and all kinds of biotechnological enterprises with a far greater hope of producing something useful were denuded even of labor, as the salaries available to plantigen engineers soared to unmatchable heights.
He lunched off the unmatchable steaks broiled over a timber fire served by the Siphon restaurant at Datum and in the mid-afternoon turned the car back towards Brussels.
Flora's drink was a seltzer with a shpritz of raspberry syrup on top, something else unmatchable outside of New York City.