adjective

neat and trim in dress and appearance (typically used of a man).

he looked very dapper in a dark silk suit

smart,spruce,trim,debonair,neat,tidy,neat and tidy,crisp,well dressed,besuited,well groomed,well turned out,smartly dressed,elegant,chic,dashing,soigné,snazzy,snappy,natty,sharp,nifty,sassy,spiffy,fly,kicky,swagger,trig