Definition of impermeable
:not permitting passage (as of a fluid) through its substance;
broadly
:impervious
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Examples of impermeable in a Sentence
an impermeable layer of rock
a fabric impermeable to moisture
Recent Examples of impermeable from the Web
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For example, a lot with a large lawn or another retaining features would face a lower fee than a parcel with an impermeable surface.
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Council members declined Ravinia's request to delete restrictions on the amount of property that can be covered by buildings, structures and impermeable surfaces.
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The ocean is big, deep and impermeable to the laser altimeter that made mapping our less watery neighbor planets possible.
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The egg contains the nutrients that the developing embryo will need and also has its own armor, meaning that those eggs are big and often encased in a relatively impermeable membrane.
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The cap will be largely impermeable and contoured so that rainwater runs off into clean ground around the site’s perimeter, and doesn’t pond or penetrate into the waste material beneath.
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Hopefully over time that grows more and more impermeable.
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Unsurprisingly for something that contains 140,000 gallons of water, the waterway is so heavy that an impermeable deck exists underneath it to prevent the possibility of water leaking through to a ballroom below.
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By Ann Hornaday, The Washington Post Are our moviegoing bubbles as impermeable as our political ones?
These 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.
Origin and Etymology of impermeable
Late Latin impermeabilis, from Latin in- + Late Latin permeabilis permeable
impermeable Synonyms
Synonyms
impassable (also impassible), impenetrable, impervious, impregnableAntonyms
negotiable, passable, penetrable, permeableRelated Words
close, compact, dense, thick, tight; compressed, condensed; sturdy, substantial, tough; firm, frozen, hard, solid, stiff; inflexible, rigid, unbending, unyieldingNear Antonyms
soft, squishy; bendable, elastic, flexible, giving, malleable, pliable, yielding; absorbent, porousIMPERMEABLE Defined for English Language Learners
impermeable
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adjective
Definition of impermeable for English Language Learners
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: not allowing something (such as a liquid) to pass through
Medical Dictionary
impermeable
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adjective
im·per·me·able
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(ˈ)im-ˈpər-mē-ə-bəl
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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
Learn More about impermeable
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Thesaurus: All synonyms and antonyms for impermeable Spanish Central: Translation of impermeable Nglish: Translation of impermeable for Spanish speakers Britannica English: Translation of impermeable for Arabic speakers
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