Back up and Support

Similar meaning terms

Back up verb - Give moral or psychological support, aid, or courage to.

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Support is a synonym for back up. In some cases you can use "Support" instead the word "Back up" as a verb or a noun or an adjective.

Support verb - To give evidence or testimony to the truth or factualness of.

Usage example: new evidence supports the original researchers' unexpected conclusions

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Back up is a synonym for support in substantiate topic. You can use "Back up" instead the word "Support" as a verb or an adjective.

The fact you can destroy one support fighter to lower rank instead of having to junk both as in the Japanese version is little comfort, considering how fast rank goes back up in the games.

Source: Video Game / Raiden Fighters
Nobody would back up the rec or support it.

Source: Fanfic Recs / Cave Story
An excellent way to back up a claim is to support it with a citation.

Source: Analysis / Evony

Cite this Source

Support and Back up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/back_up/support

Back up & Support. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/back_up/support>.

Support or Back up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/back_up/support.

Google Ngram Viewer shows how "back up" and "support" have occurred on timeline