Pop-up

/pˈɒpˈʌp/

/pˈɑːpˈʌp/

Pop-up

a short high fly ball

synonyms : pop fly

a book (usually for children) that contains one or more pages such that a three-dimensional structure rises up when a page is opened

a window that appears suddenly on top of the current screen, often used to display advertising or notifications

Examples

1. Number four is Instagram pop-ups.

2. Both PCs and Macs get these pop-ups all the time.

3. Small towns might pop-up around the lake, substantially increasing the current population of 320 people in the area.

4. Everyone was doing pop-up stores.