Clear up
Clear up verb - To make plain or understandable.
Usage example: a simple explanation cleared the matter up
Undo
Undo verb - To deprive of courage or confidence.
Mutual synonyms
Cite this Source
Undo and Clear up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/clear_up/undo
Clear up & Undo. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/clear_up/undo>.
Undo or Clear up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/clear_up/undo.
Google Ngram Viewer shows how "clear up" and "undo" have occurred on timeline