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
  • And the jam—of course, the jam: the product As ever is perhaps most known for is back, but not in the raspberry flavor that was sold in April.
    Rachel Burchfield, Forbes.com, 20 June 2025
  • Products in As ever’s first ever drop included flower sprinkles, cookies, jam and more.
    Kirsty Hatcher, People.com, 20 June 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 1 Jul. 2025.

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