- being an occasion, situation, etc., for which one must be somewhat formally well-dressed: the first dress-up dance of the season.
- Informal. Usually dress-ups.
- 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
First recorded in 1665–75; noun, adj. use of verb phrase dress up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for dress-up
Well then, when Miss Norris was going to dress-up, Cayley gave it away.The Red House Mystery
A. A. Milne
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
Dey tell me dat w'en slaves wus shipped to New Orleans dey had to be dress-up in nice clothes.Slave Narratives Vol. XIV. South Carolina, Part 2
Works Projects Administration
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