Nonporous
Nonporous adjective - Not porous; especially not having vessels that appear as pores.
Rigid and nonporous are semantically related. in firm topic. In some cases you can use "Rigid" instead an adjective "Nonporous", when it comes to topics like inflexible.
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
Mutual synonyms
Cite this Source
Rigid and Nonporous. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/nonporous/rigid
Nonporous & Rigid. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/nonporous/rigid>.
Rigid or Nonporous. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/nonporous/rigid.
Google Ngram Viewer shows how "nonporous" and "rigid" have occurred on timeline