Backup
Backup noun - A person or thing that takes the place of another.
Usage example: you didn't get the lead position, but you can be the backup to the chosen singer
Show all Definitions
Synonyms for Backup
Substitute is a synonym for backup in switch topic. In some cases you can use "Substitute" instead the word "Backup" as a noun or an adjective, when it comes to topics like auxiliary. popular alternative
Nearby Word: backing
Substitute
Substitute noun - A person or thing that takes the place of another.
Usage example: if you like, you can use nuts as a substitute for coconut in that recipe
Backup is a synonym for substitute in switch topic. You can use "Backup" instead the word "Substitute" as a noun or an adjective, if it concerns topics such as alternative, acting. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
- Two other Green Lanterns have gotten their starts as Hal Jordan's backup or substitute before becoming full time Lanterns in their own right.
Source: Legacy Launch
Cite this Source
Substitute and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/substitute
Backup & Substitute. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/substitute>.
Substitute or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/substitute.
Google Ngram Viewer shows how "backup" and "substitute" have occurred on timeline