Impermeable
Impermeable adjective - Impossible to get through or into.
Usage example: the wall of security people surrounding the rock band was impermeable
Rigid and impermeable are semantically related. In some cases you can use "Rigid" instead an adjective "Impermeable".
Nearby Word: impermeability
Rigid
Rigid adjective - Having a consistency that does not easily yield to pressure.
Usage example: rigid steel bars that should be able to hold the weight
Impermeable and rigid are semantically related. Sometimes you can use "Impermeable" instead an adjective "Rigid".
Mutual synonyms
Cite this Source
Rigid and Impermeable. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/impermeable/rigid
Impermeable & Rigid. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/impermeable/rigid>.
Rigid or Impermeable. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/impermeable/rigid.
Google Ngram Viewer shows how "impermeable" and "rigid" have occurred on timeline