impermeable
adjective
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Definition of impermeable
: not permitting passage (as of a fluid) through its substance broadly : impervious
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Other Words from impermeable
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noun
Synonyms & Antonyms for impermeable
Synonyms
impassable (also impassible), impenetrable, impervious, impregnable
Antonyms
negotiable, passable, penetrable, permeable
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Examples of impermeable in a Sentence
Recent Examples on the Web
Among those, Buczak said, are construction of a breakwater containing an impermeable structure that would do a better job of protecting the path by keeping the water out. — Blair Kamin, chicagotribune.com, "Northerly Island walkway still mangled and off-limits: Here's the story behind this engineering flop," 27 Apr. 2018 Outside of these areas, the membrane formed as usual, creating an impermeable barrier. — John Timmer, Ars Technica, "Alan Turing’s chemistry hypothesis turned into a desalination filter," 5 May 2018 Below that is a layer of impermeable clay, followed by a separate layer of saltwater. — Alan Gomez, USA TODAY, "Salmon from sunny South Florida? Norwegian firm builds Florida farm for cold-water fish," 11 Apr. 2018 Construction—laying down impermeable surfaces like concrete where there was once dirt or wetland—makes floods worse. — Adam Rogers, WIRED, "Hurricane Season 2018 Has a Lot to Learn From Last Year," 1 June 2018 Furthermore, Facebook doesn’t really make people connect with one another across once-impermeable borders. — Alex Shephard, The New Republic, "Why Facebook Is Desperate for Conservative Allies," 4 May 2018 Once the holes are clogged, the net is impermeable to the wind, Boreyko said. — Elise Takahama, BostonGlobe.com, "Virginia Tech researchers unveil new method of fog harvesting to address global water shortages," 30 Mar. 2018 The chain, so impermeable for so long, would have been broken. — Mark Zeigler, sandiegouniontribune.com, "A look ahead at SDSU basketball in 2018-19," 28 Mar. 2018 The idea of creating an impermeable vacuum seal on our southern perimeter was appealing to opponents of immigration (legal or not) and drug smuggling. — Steve Chapman, chicagotribune.com, "Trump's wall is performance art, not border security," 14 Mar. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impermeable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for impermeable
impermeable
adjective
English Language Learners Definition of impermeable
: not allowing something (such as a liquid) to pass through
See the full definition for impermeable in the English Language Learners Dictionary
impermeable
adjective
\
Medical Definition of impermeable
: not permitting passage (as of a fluid) through its substance the plasma membrane of a red blood cell is relatively impermeable to sodium and calcium ions
Other Words from impermeable
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noun
plural -ties
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