1. marked by up-to-dateness in dress and manners

- a jaunty red hat

Similar word(s): fashionable, stylish, dapper, dashing, natty, rakish, snappy, spiffy, spruce

2. having a cheerful, lively, and self-confident air

- walked with a jaunty step

- a jaunty optimist

Similar word(s): cheerful, chipper, debonair, debonaire

Sentences with jaunty as an adjective:

- The courtier was a jaunty fellow, attuned to the esoteric court gossip and attentive to the least beneficial wind of favor blowing from the throne.

- He wore a jaunty outfit that was all the rage.

- He walked down the street with a jaunty swaggering step, as if daring others less perfectly satisfied to intrude upon his good mood.