Beef up
Beef up verb - To increase the ability of (as a muscle) to exert physical force.
Underpin
Underpin verb - To hold up or serve as a foundation for.
Beef up and underpin are semantically related. Sometimes you can use "Beef up" instead a verb "Underpin".
Nearby Word: underpinning
Mutual synonyms
Cite this Source
Underpin and Beef up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/beef_up/underpin
Beef up & Underpin. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/beef_up/underpin>.
Underpin or Beef up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/beef_up/underpin.
Google Ngram Viewer shows how "beef up" and "underpin" have occurred on timeline