/'dresɪ; `drɛsɪ/
adj (-ier, -iest) (infml 口)
1 (of a person) (fond of) wearing stylish or showy clothes （指人）穿着入时的, 爱穿花哨服装的
*They're a very dressy couple. 他们俩是讲究穿着的一对儿.
2 (of clothes) elegant or elaborate, to be worn on special occasions （指衣物）漂亮的, 讲究的, 特殊场合穿的
*You can't wear that to the reception it's not dressy enough. 你不能穿那种衣服出席招待会--不太庄重.

adj
dressy clothes are suitable for formal occasions
　Her outfit was smart but not too dressy.
someone who is dressy likes to wear very fashionable or formal clothes