Straighten
Straighten verb - To cause to follow a line that is without bends or curls.
Upset is an antonym for straighten.
Nearby Words: straight, straightening
Upset
Upset verb - To turn on one's side or upside down.
Usage example: the narrow boat upsets easily and should be handled with care
Nearby Word: upsetting
Cite this Source
Upset and Straighten. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/straighten/upset
Straighten & Upset. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/straighten/upset>.
Upset or Straighten. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/straighten/upset.
Google Ngram Viewer shows how "straighten" and "upset" have occurred on timeline