dapper vs spiffy

dapper and spiffy both are adjectives.

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

As adjectives, dapper and spiffy are synonyms defined as:

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

dapper (adjective)	spiffy (adjective)
marked by up-to-dateness in dress and manners	marked by up-to-dateness in dress and manners