Backup
Backup noun - A crowded mass (as of cars) that impedes or blocks movement.
Usage example: there was the inevitable backup of travelers trying to pass through airport security
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Synonyms for Backup
Jam-up and backup are semantically related. In some cases you can use "Jam-up" instead a noun "Backup".
Nearby Word: backing
Jam-up
Jam-up noun - A crowded mass (as of cars) that impedes or blocks movement.
Usage example: knowing that there was a big traffic jam-up ahead, we took the detour that the locals always use
Mutual synonyms
Cite this Source
Jam-up and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/jam-up
Backup & Jam-up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/jam-up>.
Jam-up or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/jam-up.