ETYM Old Eng. daper; prob. from Dutch dapper brave, valiant; akin to German tapfer brave, Old High Germ. taphar heavy, weighty, Old Slav. dobru good, Russ. dobrui. Related to Deft.
Marked by smartness in dress and manners; SYN. dashing, jaunty, natty, raffish, rakish, smart, snappy, spruce.