Keep up
Keep up verb - To continue to operate or to meet one's needs.
Cite this Source
Operate and Keep up. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/keep_up/operate
Keep up & Operate. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/keep_up/operate>.
Operate or Keep up. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/keep_up/operate.
Google Ngram Viewer shows how "keep up" and "operate" have occurred on timeline