Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of jam-up was in 1941

Dictionary Entries Near jam-up

Cite this Entry

“Jam-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jam-up. Accessed 19 Mar. 2024.

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