- neat and spruce in dress and bearing; trim 
- small and nimble 
WordReference Random House Learner's Dictionary of American English © 2025
dap•per /ˈdæpɚ/USA pronunciation  
adj. 
WordReference Random House Unabridged Dictionary of American English © 2025- neat, trim, or smart in dress or appearance:You look dapper in that new suit.
- lively and brisk:to walk with a dapper step.
dap•per 
(dap′ər),USA pronunciation adj. 
 dap′per•ly, adv. 
dap′per•ness, n.
 
- neat;
 trim;
 smart:He looked very dapper in his new suit.
- lively and brisk:to walk with a dapper step.
- small and active.
- Middle Dutch dapper nimble, stalwart; cognate with German tapfer brave
- late Middle English daper 1400–50
dap′per•ness, n.
- 1.See corresponding entry in Unabridged spruce, modish, jaunty, natty.
Collins Concise English Dictionary © HarperCollins Publishers::
'dapper' also found in these entries (note: many are not synonyms or translations):