dapper vs jaunty

dapper and jaunty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dapper	No	Yes	No	No
jaunty	No	Yes	No	No

As adjectives, dapper and jaunty are synonyms defined as:

Other synonyms of dapper include dashing, natty, raffish, rakish, snappy, spiffy, spruce.

dapper (adjective)	jaunty (adjective)
marked by up-to-dateness in dress and manners	having a cheerful, lively, and self-confident air
	marked by up-to-dateness in dress and manners