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

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Example Sentences

Recent Examples of Synonyms for jam-up
jam
Noun
  • His seventh-inning shot settled in the left-center bleachers and crushed the Brewers, who had finally chased him from the mound by getting two runners on in the top of the inning, only to go scoreless anyway when reliever Alex Vesia escaped the jam.
    Emma Burleigh, Fortune, 18 Oct. 2025
  • For the first time in the National League Championship Series, a Dodgers starter had to deal with … a jam.
    Jeff Fletcher, Oc Register, 17 Oct. 2025
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.

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“Jam-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jam-up. Accessed 26 Oct. 2025.

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