Keep up
Keep up verb - To continue to operate or to meet one's needs.
Underpin
Underpin verb - To hold up or serve as a foundation for.
Keep up and underpin are semantically related. Sometimes you can use "Keep up" instead a verb "Underpin".
Nearby Word: underpinning
Mutual synonyms
Cite this Source
Underpin and Keep up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/keep_up/underpin
Keep up & Underpin. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/keep_up/underpin>.
Underpin or Keep up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/keep_up/underpin.
Google Ngram Viewer shows how "keep up" and "underpin" have occurred on timeline