Back-up
Supplementary and back-up are semantically related. In some cases you can use "Supplementary" instead an adjective phrase "Back-up".
Supplementary
Supplementary adjective - Available to supply something extra when needed.
Back-up and supplementary are semantically related. Sometimes you can use "Back-up" instead an adjective "Supplementary".
Mutual synonyms
Related pairs
- substitute and back-up
- substitute and supplementary
- reserve and back-up
- reserve and supplementary
- spare and back-up
- spare and supplementary
- alternative and back-up
- alternative and supplementary
- second and back-up
- second and supplementary
- subsidiary and back-up
- subsidiary and supplementary
- secondary and back-up
- secondary and supplementary
Cite this Source
Supplementary and Back-up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/back-up/supplementary
Back-up & Supplementary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/back-up/supplementary>.
Supplementary or Back-up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/back-up/supplementary.