pop-up

• popup

• IPA^(key): /ˈpɒpʌp/

• Audio (UK)

  (file)

pop-up (not comparable)

1. Coming into view suddenly from a concealed position.

   I packed a pop-up hamper in my suitcase.

2. Opening out to form a three-dimensional structure when the page of a book is opened.
   • 1985, Margaret Atwood, The Handmaid's Tale, Boston: Houghton Mifflin, published 1986, →ISBN, page 145:

     […] my mother […] did not believe in mystification, I had a pop-up book of sexual organs by the time I was four […]

3. Operating or existing for a brief period only; temporary.
   • 2017 May 13, Barney Ronay, “Antonio Conte’s brilliance has turned Chelsea’s pop-up team into champions”, in the Guardian‎:

     But then this is essentially a pop-up team, glued into place brilliantly, with certain parts already chafing and smoking. Chelsea’s two top goalscorers could be off in a month, Diego Costa to cause an international incident in China, Hazard to the usual summer suspects.

4. (military) Employing the cold launch technique.

pop-up (plural pop-ups)

1. A pop-up advertisement; an advertisement that is triggered to appear on a computer screen when an Internet user accesses a particular web page.

   Synonyms: see Thesaurus:pop-up

2. (baseball) A pop-up ball: a ball that has been hit to a considerable height above the infield or the shallow outfield; a pop fly.
3. A folded paper element which pops up from a book, greeting card, etc.
4. A business that quickly pops up, such as a temporary restaurant.

   Synonym: pop-up store

   • 2012, Sam Benson, Alison Bing, Coastal California (published by Lonely Planet)

     Pop-ups often charge restaurant prices, but without advance menus, quality control, health-inspected facilities or professional service. Bring cash and arrive early: most pop-ups don't accept credit cards, and popular dishes run out fast.

   • 2023 February 15, John Eligon, “Exploring South Africa’s Black Wine Scene”, in The New York Times‎:

     Ms. Setti recently had to close her bar after a change of management at the food hall that housed it. But she plans to launch several pop-ups and hopes to find a new permanent space by the middle of the year, she said.

• ground ball
• fly ball
• line drive
• pop-up advertisement