Imperturbable
Imperturbable adjective - Not easily panicked or upset.
Undoubted and imperturbable are semantically related. In some cases you can use "Undoubted" instead an adjective "Imperturbable".
Nearby Word: imperturbability
Undoubted
Imperturbable and undoubted are semantically related. Sometimes you can use "Imperturbable" instead an adjective "Undoubted".
Nearby Word: undoubtedly
Cite this Source
Undoubted and Imperturbable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/imperturbable/undoubted
Imperturbable & Undoubted. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/imperturbable/undoubted>.
Undoubted or Imperturbable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/imperturbable/undoubted.
Google Ngram Viewer shows how "imperturbable" and "undoubted" have occurred on timeline