SPIFFIEST
Scrabble letter values: S1P3I1F4F4I1E1S1T1 = 17
Definition
SPIFFIEST is the superlative of SPIFFY.
adjective SPIFFY: marked by up-to-dateness in dress and manners.
Synonyms of SPIFFY: dapper, dashing, jaunty, natty, raffish, rakish, snappy, spruce