Harp upon
Keep on
Keep on verb - Allow to remain in a place or position or maintain a property or feature.
Mutual synonyms
Cite this Source
Keep on and Harp upon. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/harp_upon/keep_on
Harp upon & Keep on. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/harp_upon/keep_on>.
Keep on or Harp upon. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/harp_upon/keep_on.
Google Ngram Viewer shows how "harp upon" and "keep on" have occurred on timeline