- a person's best clothes: Wear your dress-ups for the reception.
- accessories or other added features: a car with custom dress-ups.
Origin of dress-up
Examples from the Web for dress-up
We only have extra under-things, said Marie, and one dress-up frock apiece, besides our camp clothes and ceremonial dresses.Winona of the Camp Fire|Margaret Widdemer
All these dress-up kimonos have decorations in color, sometimes embroidered and sometimes dyed on the lower points of the front.Letters from China and Japan|John Dewey
Arf of its only ousemaidin; and the other arf is dress-up and make-believe.Press Cuttings|George Bernard Shaw
As a rule, young people love a “dress-up” party, and the guests all entered into the spirit of the thing.Patty's Friends|Carolyn Wells
Her first contact with him in a well-lighted room made her aware that there were other things to the person besides the dress-up.Hungry Hearts|Anzia Yezierska