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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.impermeableness - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
“As 2011 has shown good signs of continued impermeableness to the slip in the economy, we expect this trend to continue as baby boomers play a role in these growth trends and look to pets to fill the void left by empty nests, as well as pets increasingly growing in their position as strong family members,” shared Leslie May, founder of Pawsible Marketing.
It is important to organize traffic on the route: to set speed limits and rules for stopping, to check fastenings of the good and the impermeableness and toughness of a container.
This impermeableness is also manifested when it comes to interpreting Sacred Scripture.