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impervious
Use
Impervious
in a sentence
im·per·vi·ous
/
ɪmˈpɜr
vi
əs
/
Show Spelled
[
im-
pur
-vee-
uh
s
]
Show IPA
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
/
ɪmˈpɜr
vi
ə
bəl
/
Show Spelled
[
im-
pur
-vee-
uh
-b
uh
l
]
Show IPA
.
Origin:
1640–50;
<
Latin
impervius.
See
im-
2
,
pervious
Related forms
im·per·vi·ous·ly,
adverb
im·per·vi·ous·ness,
noun
Can be confused:
impermeable
,
impervious.
Synonyms
3.
invulnerable, closed.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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impervious
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Impervious
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to begin, set going, or originate:
disdainfully proud; snobbish; scornfully arrogant; supercilious
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Collins
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
Cite This Source
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
Cite This Source
Example sentences
Scientists thought the protective atmospheric layer in the stratosphere was
more
impervious
to such intruders.
The moral argument against taxation has the virtue of being
impervious
to such
trivial considerations.
It accounted for those dismaying shifts in tone which so often spoiled his
effects and to which he seemed so oddly
impervious
.
First, she was not
impervious
to the possibility that she can be wrong.
These structures are often stable and
impervious
to meteor impacts.
Roomy enough to throw down in the park, they are
impervious
enough to outlast wet weather.
The piston's fluid is
impervious
to the cold, and the sealed unit never needs maintenance.
Puffer fish are themselves
impervious
to tetrodotoxin because of a point mutation in their sodium channel receptors.
They contained everything that was needed to support life underground and were virtually
impervious
to enemy infiltration.
Shortly you'll be taking on nasty tricks that you once concluded were
impervious
.
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