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
  • The goal, according to Western analysts, was to listen in on or potentially jam signals relayed through these satellites, some of which route secure communications for US and NATO military forces.
    Stephen Clark, ArsTechnica, 15 May 2026
  • Wilson fanned the last batter to get out of the jam and finish with at least one strikeout in every inning.
    Tom Mulherin, Boston Herald, 14 May 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 22 May. 2026.

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