Flatten
Flatten verb - To make free from breaks, curves, or bumps.
Put upright and flatten are semantically related. In some cases you can use "Put upright" instead a verb "Flatten".
Put upright
Flatten and put upright are semantically related. Sometimes you can use "Flatten" instead a verb phrase "Put upright".
Mutual synonyms
Cite this Source
Put upright and Flatten. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/flatten/put_upright
Flatten & Put upright. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/flatten/put_upright>.
Put upright or Flatten. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/flatten/put_upright.
Google Ngram Viewer shows how "flatten" and "put upright" have occurred on timeline