Perturb
Perturb verb - To trouble the mind of; to make uneasy.
Usage example: the caller's strange remark perturbed me enough to keep me awake that night
Undo and perturb are semantically related. In some cases you can use "Undo" instead a verb "Perturb".
Nearby Words: perturbation, perturbing
Undo
Undo verb - To deprive of courage or confidence.
Usage example: the sudden shriek undid the campers
Cite this Source
Undo and Perturb. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/perturb/undo
Perturb & Undo. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/perturb/undo>.
Undo or Perturb. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/perturb/undo.
Google Ngram Viewer shows how "perturb" and "undo" have occurred on timeline