Flatten and Open up

Flatten

Flatten verb - To make free from breaks, curves, or bumps.

Open up and flatten are semantically related. In some cases you can use "Open up" instead a verb "Flatten".

Nearby Words: flatter, flatness, flattening, flatting

Open up

Open up verb - Cause to open or to become open.

Flatten and open up are semantically related. Sometimes you can use "Flatten" instead a verb "Open up".

Mutual synonyms

Cite this Source
Open up and Flatten. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flatten/open_up
Flatten & Open up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flatten/open_up>.
Open up or Flatten. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flatten/open_up.
Google Ngram Viewer shows how "flatten" and "open up" have occurred on timeline