There are 2 main definitions of pop up in English:

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pop up 1

1Appear or occur suddenly and unexpectedly: these memories can pop up from time to time
More example sentences
  • There is no campaign and suddenly his name pops up, clearly presented by the British and the French who have been impressed by his negotiational ability.
  • Suddenly a commercial pops up for Colgate toothpaste.
  • So much for these chain stores that appear to be popping up all over the country.
appear (suddenly), occur (suddenly), arrive, materialize, come along, happen, emerge, arise, crop up, turn up, present itself, come to light
informal show up
1.1 Computing (Of a browser window) appear without having been requested, especially for the purpose of advertising.
Example sentences
  • You see the warnings indicated by the red popping up on the screen.
  • It also pops up a screen asking you for permission to enter the site, all according to the rules.
  • You can float the mouse over the button and a tool tip will pop up with the command name.
2Hit a baseball high into the air but not deep, providing an easy catch: in three at bats, he struck out twice and popped up
More example sentences
  • The vast majority of firebrands have been second basemen, a position often played by smaller men, though feisty shortstops also pop up from time to time.
  • The batter popped up a bunt foul behind catcher who chose to catch the foul ball on the fly.
  • With the winning run on second and nobody out, Damon tried to bunt, and he ended up popping up to Posada.
See parent entry: pop
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There are 2 main definitions of pop up in English:

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pop-up 2

Pronunciation: /ˈpäp ˌəp/


1(Of a book or greeting card) containing folded cut-out pictures that rise up to form a three-dimensional scene or figure when the page is turned.
Example sentences
  • A pop-up book aimed at adults, this work illustrates in three dimensions every nightmare you've ever had, and some you don't want to know about.
  • Her vision is nihilistic and absurd, yet, in its commitment to small-scale fantasy, an inarguable delight to behold - like a cheeky, philosophical pop-up book.
  • As a result of the performance's intertwined story lines and demanding location changes, the design team decided to model the sets after a children's pop-up book.
1.1(Of an electric toaster) operating so as to push up a piece of toast quickly when it is ready.
Example sentences
  • The majority of homes already have washing machines, dishwashers, vacuum cleaners and pop-up toasters.
  • He clicked his fingers for a menu and fiddled with a mobile phone, then started playing with another piece of gadgetry that looked like a combination satellite dish, pop-up toaster and miniature microwave oven.
  • As pop-up toasters are covered under the Quality Control Order, 1981, they have to conform to the safety standards.
1.2 Computing (Of a menu or other utility) able to be superimposed on the screen being worked on and suppressed rapidly.
Example sentences
  • To me, the selective JPEG compression and the pop-up menu creator are certainly worth the upgrade price.
  • Here's something else to try: right-click on a filename and a small pop-up menu will appear.
  • The form must be created by a program, rather than written as a static document, because it displays pop-up menus of catalogs and items from the database tables.
2Denoting a store or other business that opens quickly in a temporary location and is intended to operate for only a short period of time: fashion brands have been especially keen on pop-up stores in recent months
More example sentences
  • From pod hotels to pop-up stores, sensory branding to the Scoubidou craze, the recent pace of invention has been extraordinary.
  • The mobile Champagne bar, referred to as a "pop-up store" in marketing circles - was created to help publicize its brand.
  • In April, after six weeks of planning and scouting locations, the founders launched a pop-up store for Faith & Fortune on a main drag in Beverly.


1A pop-up picture in a book.
Example sentences
  • Part of the design aspect of the books included pop-ups.
  • With its glitter and glare, pop-ups within pop-ups, you're guaranteed to fall for this grand book.
  • Around the margins of each spread are smaller ‘books,’ which in turn contain more dinosaur-related pop-ups.
1.1A book containing pop-up pictures.
Example sentences
  • It was like I had been transported into a story book, like… like the ones with pop-ups that I used to love so much.
3 Computing A pop-up menu or other utility.
Example sentences
  • On a mobile device, usability is key when there is so little time or functionality for fiddling with menus, pop-ups or mousing around.
  • Always remember to shut down the card using the pop-up in the Menu bar before you pull it out.
  • It has added pop-up, hierarchical content menus, a key feature of the menu, to its folders.
3.1An unrequested browser window, especially one generated for the purpose of advertising.
Example sentences
  • Spyware refers to a class of invasive program that generates pop-ups, hijacks user home pages or redirects searches in an attempt to either monitor user activity or bombard surfers with unwanted messages.
  • Under new management, the company is dropping as far as possible graphical advertising, including pop-ups and so-called ‘skyscrapers’, which add clutter.
  • With no advertising pop-ups or spyware, your computer and your privacy will be safe so long as you don't download any dodgy files.
4A pop-up store.
Example sentences
  • Some brands might not be ready to open a store and pop-ups offer a lot of flexibility.
  • Those last two shops are retail pop-ups, on short leases for the holidays.
  • Years ago, you said, pop-ups were considered a place to test a new retail concept.

For editors and proofreaders

Syllabification: pop-up

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