Most stylish relative I joke about

Wiktionary Word definitions in Wiktionary
a. (en-superlative of: jaunty)

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Jaunty \Jaun"ty\, a. [Compar. Jauntier ; superl. Jauntiest .] [Formerly spelt janty, fr. F. gentil. See Gentle , and cf. Genty .] Airy; showy; finical; hence, characterized by an affected or fantastical manner.

WordNet Word definitions in WordNet
adj. marked by smartness in dress and manners; "a dapper young man"; "a jaunty red hat" [syn: dapper , dashing , natty , raffish , rakish , smart , spiffy , snappy , spruce ] having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted ...