Flatten and Straighten

Flatten

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

Straighten is a synonym for flatten in smooth topic. In some cases you can use "Straighten" instead a verb "Flatten", when it comes to topics like level out.

Nearby Words: flatter, flatness, flattening, flatting

Straighten

Straighten verb - To cause to follow a line that is without bends or curls.

Flatten is a synonym for straighten in smooth topic. You can use "Flatten" instead a verb "Straighten".

Nearby Words: straight, straightening

Common collocations

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