Keep up
Keep up verb - Lengthen or extend in duration or space.
Usage example: keep up the good work
Mutual synonyms
Cite this Source
Uphold and Keep up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/keep_up/uphold
Keep up & Uphold. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/keep_up/uphold>.
Uphold or Keep up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/keep_up/uphold.
Google Ngram Viewer shows how "keep up" and "uphold" have occurred on timeline