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  • dress-up
    dress-up
    adjective
    being an occasion, situation, etc., for which one must be somewhat formally well-dressed.
  • dress up
    dress up
    verb
    to attire (oneself or another) in one's best clothes
Synonyms

dress-up

American  
[dres-uhp] / ˈdrɛsˌʌp /

adjective

  1. being an occasion, situation, etc., for which one must be somewhat formally well-dressed.

    the first dress-up dance of the season.


noun

  1. Informal. Usually dress-ups.

    1. a person's best clothes.

      Wear your dress-ups for the reception.

    2. accessories or other added features.

      a car with custom dress-ups.

dress up British  

verb

  1. to attire (oneself or another) in one's best clothes

  2. to put fancy dress, disguise, etc, on (oneself or another), as in children's games

    let's dress up as ghosts!

  3. (tr) to improve the appearance or impression of

    it's no good trying to dress up the facts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dress up Idioms  
  1. Wear formal or elaborate clothes, as in I love to dress up for a party . [Late 1600s] For the antonym, see dress down , def. 2.

  2. Put on a costume of some kind, as in The children love dressing up as witches and goblins . [Late 1800s]

  3. Adorn or disguise something in order to make it more interesting or appealing. For example, She has a way of dressing up her account with fanciful details . [Late 1600s]


Etymology

Origin of dress-up

First recorded in 1665–75; noun, adj. use of verb phrase dress up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A venue in Rotterdam turned itself over to fantasy dress-up and gamer fanaticism on the weekend, with thousands attending TwitchCon Europe.

From Barron's May 30, 2026

I imagine the A.I. bot like a child playing dress-up, donning an oversized blazer and glasses for a game of “businessman.”

From Slate Mar. 20, 2026

But the display is tiny, the neural-band bracelet control is too fiddly and the glasses themselves make me look like a kid playing dress-up with her dad’s ’70s eyewear.

From The Wall Street Journal Dec. 12, 2025

And while the sing-along and dress-up aspects of “The Nightmare Before Christmas in Concert” are life-affirming and family-friendly despite an inherent darkness, it’s often the shadows where Elfman likes to dwell.

From Los Angeles Times Oct. 22, 2025

He was in strange clothes of black and white that were obviously dress-up.

From "Dragonwings" by Laurence Yep

Visitors, many of whom dress up as their favourite characters, will be able to play new releases at hundreds of stations starting Wednesday.

From Barron's Aug. 25, 2026

They dress up, braid their hair in a special way and are free to dance and play together outside, something which is traditionally frowned upon at other times of the year.

From BBC Aug. 21, 2026

It’ll be too hot to dress up in 19th-century garb, but Rachel plans to serve “Little House”-inspired snacks of popcorn and apples, foods the family ate throughout the series.

From The Wall Street Journal Jul. 9, 2026

This was the game that we got tickets for, so we decided to dress up a little bit and have some fun.

From Los Angeles Times Jun. 23, 2026

“You didn’t do anything wrong. It’s just that I’m not allowed to dress up or go trick-or-treating. And forget about candy.”

From "A Place at the Table" by Saadia Faruqi and Laura Shovan

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