pop up
verb
Forms pops up popping up popped up
- verb (intransitive) To come up with a "pop" sound. “The toast is in the toaster - when it pops up it will be ready.”
- verb (intransitive, informal, idiomatic) To appear without warning. “I can't remember where I left my keys, but they normally pop up somewhere.”
- verb (intransitive) (Of an alert, advertisement, etc.) To suddenly appear onscreen. “And then up popped on my screen something truly bizarre.”
- verb (transitive) To display as an alert, advertisement, etc. that suddenly appears on screen. “My computer just popped up a warning about Internet security.”
Synonyms
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “pop up”, CC BY-SA 4.0. Details