Reverse
Reverse verb - To change (as an opinion) to the contrary.
Upend is a synonym for reverse in upset topic. In some cases you can use "Upend" instead a verb "Reverse", when it comes to topics like turn round, turn upside down, turn upside down or backwards.
Mutual synonyms
Cite this Source
Upend and Reverse. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/reverse/upend
Reverse & Upend. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/reverse/upend>.
Upend or Reverse. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/reverse/upend.
Google Ngram Viewer shows how "reverse" and "upend" have occurred on timeline