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
Logjam and backup are semantically related. In some cases you can use "Logjam" instead a noun "Backup".
Nearby Word: backing
Logjam
Logjam noun - A crowded mass (as of cars) that impedes or blocks movement.
Usage example: the presence of an ambulance on the side of the highway created a logjam of rubberneckers who just had to have a look
Cite this Source
Logjam and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/logjam
Backup & Logjam. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/logjam>.
Logjam or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/logjam.
Google Ngram Viewer shows how "backup" and "logjam" have occurred on timeline