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Related to imperviousness: cabal


1. Incapable of being penetrated: a material impervious to water.
2. Incapable of being affected: impervious to fear.

[From Latin impervius : in-, not; see in-1 + pervius, pervious; see pervious.]

im·per′vi·ous·ly adv.
im·per′vi·ous·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.imperviousness - the quality of being impenetrable (by people or light or missiles etc.)
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
penetrability, perviousness - the quality of being penetrable (by people or light or missiles etc.)


References in periodicals archive ?
In urban areas, some physical processes that cause rainfall loss are decreased due to the LULC changes and the increase of imperviousness, e.
One of the important catchment characteristics is surface imperviousness.
By featuring Sturtevant's body with its attendant force and fragility, such a work--not simply a reperformance but also undeniably self-expressive--brings her oeuvre out of imperviousness and into the world inhabited by the rest of us.
Our commitment to Wilayat al Faqih, our leader and his orders is what brought about our imperviousness today and the stability and safety that Lebanon is witnessing," added the member of Loyalty to the Resistance bloc.
Westminster politics-as-usual seems incapable of reacting to Alex Salmond's seeming imperviousness.
The findings represent an attempt to help engineers answer the question: Which impact is more important for design flood considerations: the flooding due to increasing imperviousness or the flooding due to increasing intensification of storm systems through land use and land cover changes?
From a shortlist of over 40 inventions, plastics' "relatively low cost, ease of manufacture, versatility and imperviousness to water," were cited as major benefits in their use for an "enormous and expanding" range of products over the past century.
This feature, along with nanometer sized, non-connected pores throughout its cementitious matrix, impart imperviousness and durability against adverse conditions or aggressive agents.
In the wake of emancipation, formerly enslaved people resisted the freedom of wage labour, confirming anti-abolitionist views of their imperviousness to capitalist incentives.
The data captured by satellite can be transformed into several helpful measures, including land surface temperatures (LST) and percent surface imperviousness (SI).
The agency's imperviousness to reform is a testament to the political power of ranchers and big-game hunters, but a 2012 letter from the American Society of Mammologists to the bureaucratic parent of Wildlife Services, the USDA Animal and Plant Health Inspection Service, might cause even those interests to reconsider their position.
change in imperviousness from 2001 to 2006) or based on static estimates of these parameters at a "snapshot" (i.