Impassable
Impassable adjective - Impossible to get through or into.
Pertinacious and impassable are semantically related. In some cases you can use "Pertinacious" instead an adjective "Impassable".
Nearby Words: impasse, impassible
Pertinacious
Pertinacious adjective - Continuing despite difficulties, opposition, or discouragement.
Impassable and pertinacious are semantically related. Sometimes you can use "Impassable" instead an adjective "Pertinacious".
Nearby Word: pertinacity
Mutual synonyms
Cite this Source
Pertinacious and Impassable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impassable/pertinacious
Impassable & Pertinacious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impassable/pertinacious>.
Pertinacious or Impassable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impassable/pertinacious.
Google Ngram Viewer shows how "impassable" and "pertinacious" have occurred on timeline