Back up
Back up verb - Establish as valid or genuine.
Corroborate is a synonym for back up in substantiate topic. In some cases you can use "Corroborate" instead a verb "Back up".
Corroborate
Corroborate verb - To give evidence or testimony to the truth or factualness of.
Usage example: the witnesses corroborated the policeman's testimony
Back up is a synonym for corroborate in support topic. You can use "Back up" instead a verb "Corroborate", if it concerns topics such as substantiate.
Mutual synonyms
Related pairs
- encourage and back up
- encourage and corroborate
- uphold and back up
- uphold and corroborate
- sustain and back up
- sustain and corroborate
- support and back up
- support and corroborate
- verify and back up
- verify and corroborate
- prove and back up
- prove and corroborate
- confirm and back up
- confirm and corroborate
Cite this Source
Corroborate and Back up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/back_up/corroborate
Back up & Corroborate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/back_up/corroborate>.
Corroborate or Back up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/back_up/corroborate.
Google Ngram Viewer shows how "back up" and "corroborate" have occurred on timeline