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Impossible to permeate: an impermeable membrane; an impermeable border.

im·per′me·a·bil′i·ty, im·per′me·a·ble·ness n.
im·per′me·a·bly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.impermeability - the property of something that cannot be pervaded by a liquid
solidity, solidness - the consistency of a solid
retention, retentiveness, retentivity - the power of retaining liquid; "moisture retentivity of soil"
nonabsorbency - the property of not being absorbent
permeability, permeableness - the property of something that can be pervaded by a liquid (as by osmosis or diffusion)
References in classic literature ?
A series of experiments and arguments proves to every man that he, as an object of observation, is subject to certain laws, and man submits to them and never resists the laws of gravity or impermeability once he has become acquainted with them.
It also possesses high stability against blue light and high light impermeability, even with low wall thicknesses.
As for the awkwardness of "deal[ing] with information I don't actually have" and people who "expect me to have an opinion," you need only to close the circle of impermeability.
The company says the "house-in housing" design of the sensor provides double the mechanical protection and impermeability.
The all-in-one containment product combines the properties of the company's Concrete Cloth GCCM with a high impermeability, chemically resistant geomembrane backing.
Freudenberg offers profiled flat gaskets to guarantee complete impermeability when the cover is closed.
Such goal can be achieved with plastic tarpaulins of high oxygen impermeability, refractoriness to solar rays, and good mechanical properties, and with double sealing systems, in which other polyethylene types actas oxygen barriers (BORREANI et al.
The PET or paper in the vicinity of the laser seam is partially removed while the aluminum layer remains intact to help ensure the stick pack's impermeability.
Page 3 Solid Waste Report January 17, 2017 Composite barriers leverage the properties of both material types: the geomembrane's impermeability and the soil's ability to prevent heavy leakage into waste.
The variation in activity of complexes against different fungal strains depends on impermeability of the cell microbes or difference in ribosome of the microbial cell.
It also has high gas impermeability, which is one of the essential requirements for membranes (solid electrolytes) in electrochemical cells for hydrogen production and fuel cells.
In both these pieces, the impermeability, lightness, and synthetic perfection of the jackets contrast with the spheres' extra-heavy concrete, all four hundred kilograms of it in the case of the larger piece, and slightly crumbling--a deliberate imperfection comparable to that of the wall pieces, in which ghostly erasures and "mistakes" are made possible by silk-screening onto porous plywood.