Throw open
Undo and throw open are semantically related. In some cases you can use "Undo" instead a verb phrase "Throw open".
Undo
Undo verb - To deprive of courage or confidence.
Cite this Source
Undo and Throw open. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/throw_open/undo
Throw open & Undo. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/throw_open/undo>.
Undo or Throw open. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/throw_open/undo.
Google Ngram Viewer shows how "throw open" and "undo" have occurred on timeline