Impenetrable
Impenetrable adjective - Impossible to get through or into.
Obstructed and impenetrable are semantically related. In some cases you can use "Obstructed" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Obstructed
Obstructed adjective - Shut off to passage or view or hindered from action.
Impenetrable and obstructed are semantically related. Sometimes you can use "Impenetrable" instead an adjective "Obstructed".
Mutual synonyms
Cite this Source
Obstructed and Impenetrable. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/impenetrable/obstructed
Impenetrable & Obstructed. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/impenetrable/obstructed>.
Obstructed or Impenetrable. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/impenetrable/obstructed.
Google Ngram Viewer shows how "impenetrable" and "obstructed" have occurred on timeline