Definition of jam-upnext
as in jam
a crowded mass (as of cars) that impedes or blocks movement knowing that there was a big traffic jam-up ahead, we took the detour that the locals always use

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of jam-up Without enough beds for continuing care outside the hospital, the jam-up ripples back to that ER hallway. Tom Wolzien, MSNBC Newsweek, 29 Mar. 2026
Recent Examples of Synonyms for jam-up
jam
Noun
  • Padres closer Mason Miller allowed two baserunners and barely escaped a ninth-inning jam while facing his hometown team on his 28th birthday.
    ABC News, ABC News, 25 Aug. 2026
  • As on the age-old original, the first half of the six-minute track was sweeping in its use of orchestral augmentation, and then the second half put aside both strings and vocals to turn into a pure band jam.
    Chris Willman, Variety, 24 Aug. 2026

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Cite this Entry

“Jam-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jam-up. Accessed 30 Aug. 2026.

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