Nonplus
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
Nonplus and perturb are semantically related. Sometimes you can use "Nonplus" instead a verb "Perturb".
Nearby Words: perturbation, perturbing
Mutual synonyms
Cite this Source
Perturb and Nonplus. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/nonplus/perturb
Nonplus & Perturb. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/nonplus/perturb>.
Perturb or Nonplus. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/nonplus/perturb.
Google Ngram Viewer shows how "nonplus" and "perturb" have occurred on timeline