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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.
Related forms
im·per·vi·ous·ly, adverb
im·per·vi·ous·ness, noun
Synonyms
3. invulnerable, closed.
3. invulnerable, closed.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Impervious
is an SAT word you need to know.
So is amity. Does it mean:
| a granary or grain bin; a store or supply of anything |
| friendship |
Collins
World English Dictionary
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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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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