Impervious
Impervious adjective - Not allowing penetration (as by gas, liquid, or light).
Irresolvable and impervious are semantically related. In some cases you can use "Irresolvable" instead an adjective "Impervious".
Nearby Word: imperviously
Irresolvable
Impervious and irresolvable are semantically related. Sometimes you can use "Impervious" instead an adjective "Irresolvable".
Mutual synonyms
Cite this Source
Irresolvable and Impervious. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impervious/irresolvable
Impervious & Irresolvable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impervious/irresolvable>.
Irresolvable or Impervious. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impervious/irresolvable.
Google Ngram Viewer shows how "impervious" and "irresolvable" have occurred on timeline