Impervious
Impervious adjective - Not allowing penetration (as by gas, liquid, or light).
Undismayed and impervious are semantically related. In some cases you can use "Undismayed" instead an adjective "Impervious".
Nearby Word: imperviously
Undismayed
Undismayed adjective - Unshaken in purpose.
Impervious and undismayed are semantically related. Sometimes you can use "Impervious" instead an adjective "Undismayed".
Cite this Source
Undismayed and Impervious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/impervious/undismayed
Impervious & Undismayed. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/impervious/undismayed>.
Undismayed or Impervious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/impervious/undismayed.
Google Ngram Viewer shows how "impervious" and "undismayed" have occurred on timeline