Extend
Extend verb - To make longer.
Undo
Undo verb - To deprive of courage or confidence.
Common collocations
Cite this Source
Undo and Extend. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extend/undo
Extend & Undo. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extend/undo>.
Undo or Extend. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extend/undo.
Google Ngram Viewer shows how "extend" and "undo" have occurred on timeline