Support and Undergird

Support

Support verb - To hold up or serve as a foundation for.
Usage example: pillars supporting the bridge

Undergird is a synonym for support in hold up topic. In some cases you can use "Undergird" instead the word "Support" as a verb or a noun.

Undergird

Undergird verb - To hold up or serve as a foundation for.
Usage example: the theory of evolution undergirds virtually all of modern biology

Support is a synonym for undergird. You can use "Support" instead the word "Undergird" as a verb or a noun.
Cite this Source
Undergird and Support. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/support/undergird
Support & Undergird. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/support/undergird>.
Undergird or Support. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/support/undergird.
Google Ngram Viewer shows how "support" and "undergird" have occurred on timeline