PEERLESSLY
Scrabble letter values: P3E1E1R1L1E1S1S1L1Y4 = 15
Definition
PEERLESSLY is the adverb form of PEERLESS.
adjective PEERLESS: eminent beyond or above comparison.
Synonyms of PEERLESS: matchless, nonpareil, one(a), one_and_only(a), unmatched, unmatchable, unrivaled, unrivalled