An example of dapper is a man dressed up in a suit for a wedding.
Origin of dapper
- Middle English daper elegant probably from Middle Dutch dapper quick, strong
From American Heritage Dictionary of the English Language, 5th Edition
- Middle English daper, from Middle Dutch dapper "stalwart, nimble", from Proto-Germanic *dapraz ‘heavy; bold’ (compare German tapfer "bold", Norwegian daper "saddened, dreary"), from Proto-Indo-European *dʰeb- ‘thick, heavy’ (compare Tocharian A tpär ‘high’, Latvian dàbls ‘strong’, Serbo-Croatian дебео (dèbeo) ‘fat’).