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

Relevance

Example Sentences

Recent Examples of Synonyms for jam-up
jam
Noun
  • Moore stole second and Ryan Klein drew a walk to put two on with no outs, but Miami reliever Brain Walters remained composed, including a flyout to right, a groundout to short, and a flyout to center that helped the Hurricanes escape the jam and secure the victory.
    Miami Herald, Miami Herald, 8 June 2025
  • Both sides shoot down, or electronically jam, most incoming drones.
    Greg Myre, NPR, 7 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.

Browse Nearby Words

Cite this Entry

“Jam-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jam-up. Accessed 17 Jun. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!