DAPPEREST
Scrabble letter values: D2A1P3P3E1R1E1S1T1 = 14
Definition
DAPPEREST is the superlative of DAPPER.
adjective DAPPER: marked by up-to-dateness in dress and manners.
Synonyms of DAPPER: dashing, jaunty, natty, raffish, rakish, spiffy, snappy, spruce