Backup
Backup noun - A crowded mass (as of cars) that impedes or blocks movement.
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Synonyms for Backup
Supplemental and backup are semantically related in increase topic. In some cases you can use "Supplemental" instead an adjective "Backup".
Nearby Word: backing
Supplemental
Supplemental adjective - Available to supply something extra when needed.
Usage example: the new program will provide supplemental health insurance to thousands of workers
Backup and supplemental are semantically related in increase topic. You can use "Backup" instead an adjective "Supplemental".
Mutual synonyms
Related pairs
- accessory and backup
- accessory and supplemental
- substitute and backup
- substitute and supplemental
- reserve and backup
- reserve and supplemental
- spare and backup
- spare and supplemental
- assistant and backup
- assistant and supplemental
- second and backup
- second and supplemental
- subsidiary and backup
- subsidiary and supplemental
Both words in one sentence
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All There in the Manual: Supplemental materials explain that most midsize or larger spaceships have an emergency backup hyperdrive which serves basically the same purpose as a spare tire on a car.
Source: Film / The Empire Strikes Back
Cite this Source
Supplemental and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/supplemental
Backup & Supplemental. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/supplemental>.
Supplemental or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/supplemental.
Google Ngram Viewer shows how "backup" and "supplemental" have occurred on timeline