imperviously

impervious

[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, imperviable [im-pur-vee-uh-buhl] .


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

imperviously, adverb
imperviousness, noun

impermeable, impervious.


3. invulnerable, closed.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
impervious or imperviable (ɪmˈpɜːvɪəs)
 
adj (foll by to)
1.  not able to be penetrated, as by water, light, etc; impermeable
2.  not able to be influenced (by) or not receptive (to): impervious to argument
 
imperviable or imperviable
 
adj
 
im'perviously or imperviable
 
adv
 
im'perviousness or imperviable
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

impervious
1650, from L. impervius "that cannot be passed through," from in- "not" + pervius "letting things through," from per "through" + via "road."
Online Etymology Dictionary, © 2010 Douglas Harper
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