Phrasal Verbs

jam up

This page is about the phrasal verb jam up


If something jams up, it can't work properly because one of its moving parts is jammed by something.

For example

  • jam up The lock on my suitcase has jammed up, so I can't open it.

  • jam sth up Don't force the window or you'll jam it up and we won't be able to close it.

  • be jammed up by sth Oh no! The printer has been jammed up by paper again.

Nouns often used as subjects with jam up: printer, fax machine, lock, door, window, gears

Quick Quiz

If the printer jams up, we'll have to

a. wipe the jam off

b. pull the jammed paper out

c. get it out of the traffic jam

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Contributor: Matt Errey