or pop·up

[ pop-uhp ]
See synonyms for pop-up on Thesaurus.com
  1. (of books, usually children's books) having pieces of artwork fastened to the pages so that when the page is opened, a three-dimensional cutout or object is formed and, sometimes, movement of a picture element, such as a door opening, can be activated by pulling a tab.

  2. of or being a device that ejects or raises a finished or used item from the top: a pop-up toaster.

  1. of or relating to a device, mechanism, or object that rises or pivots from a concealed or recessed position to its operating position: a camera with a pop-up electronic flash; a car with pop-up headlights.

  2. popping up, as from an appliance or object: pop-up waffles heated in the toaster; a pop-up gauge for indicating when the turkey is done.

  3. noting or pertaining to a store, restaurant, etc., that temporarily takes over a vacant space and does business there for a short time: a pop-up store selling Halloween costumes.

  4. Digital Technology. (of a new window or its content) appearing suddenly and temporarily within or in front of an open window on the screen of a computer or mobile device: Right-click to get a pop-up menu. There are tools to block pop-up ads.

  1. a pop-up book.

  2. Also called pop-out, pop·out . something, as a partially cut out or spring-mounted illustration in a children's book, that unfolds or springs up when opened or otherwise activated: a Christmas card with a pop-up of Santa Claus.

  1. Baseball. pop fly.

  2. a pop-up store, restaurant, etc.

  3. Digital Technology. a pop-up window, message, advertisement, etc.: Press the hotkey and the pop-up will appear.

Origin of pop-up

First recorded in 1860–65 for def. 9; noun, adjective use of verb phrase pop up

Words Nearby pop-up

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pop-up in a sentence

British Dictionary definitions for pop-up


  1. (of an appliance) characterized by or having a mechanism that pops up: a pop-up toaster

  2. (of a book) having pages that rise when opened to simulate a three-dimensional form

  1. computing (of a menu on a computer screen, etc) suddenly appearing when an option is selected

  2. (of a shop, restaurant, venue, or other small business) intentionally opening and closing for business within a very short span of time: a pop-up shop

verbpop up
  1. (intr, adverb) to appear suddenly from below

  1. computing something that appears over or above the open window on a computer screen

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

Other Idioms and Phrases with pop-up


Suddenly appear, as in After a brief warm spell all the flowers popped up, or He's constantly popping up where he's least expected.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.