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imperviable

 - 2 dictionary results

im⋅per⋅vi⋅ous

[im-pur-vee-uhs]
–adjective
1. not permitting penetration or passage; impenetrable: The coat is impervious to rain.
2. incapable of being injured or impaired: impervious to wear and tear.
3. incapable of being influenced, persuaded, or affected: impervious to reason; impervious to another's suffering.
Also, im⋅per⋅vi⋅a⋅ble [im-pur-vee-uh-buhl] .


Origin:
1640–50; < L impervius. See im- 2 , pervious


im⋅per⋅vi⋅ous⋅ly, adverb
im⋅per⋅vi⋅ous⋅ness, noun


3. invulnerable, closed.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: im·per·vi·ous
Pronunciation: (')im-'p&r-vE-&s
Function: adjective
: not allowing entrance or passage impervious to air and light> —im·per·vi·ous·ness noun
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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