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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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
Tom Wolzien, MSNBC Newsweek, 29 Mar. 2026
Recent Examples of Synonyms for jam-up
jam
Noun
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The senior escaped several jams to toss a five-hitter with 12 strikeouts to lead JSerra past La Mirada 3-2 for its first section title.—
Dan Albano,
Oc Register,
30 May 2026
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Pizza is already savory, so balance out all that salt with a drizzle of balsamic glaze or spoonfuls of fig jam.—
Lizzy Briskin,
Better Homes & Gardens,
29 May 2026
Cite this Entry
“Jam-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jam-up. Accessed 6 Jun. 2026.
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