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im·per·vi·ous
 impervious
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- pronunciation:
- ihm
puhr
vi
 s
- features:
- Word Combinations (adjective), Word Parts
| part of speech: |
adjective |
| definition 1: |
not allowing penetration or passage.
The new fabric is impervious to water.- antonyms:
- permeable, pervious
- similar words:
- impenetrable, proof, repellent
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| definition 2: |
incapable of being affected by external forces or influences.
The judge was impervious to all pleas for mercy.She was a confident person but not impervious to criticism.- antonyms:
- accessible, sensitive, susceptible
- similar words:
- impenetrable
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| definition 3: |
unable to be injured or damaged.
The stone wall was meant to be impervious to the ravages of weather.The ship was said to be impervious to attack. |
| related words: |
dense, inflexible, opaque, stony, tight |
adverb + (adj.)impervious
almost, apparently, but, highly, largely, nearly, relatively, seemingly, thus, totally, utterly, virtually
(adj.)impervious
+ noun
argument,
assault,
attack,
bullet,
change,
cold,
cover,
critic,
criticism,
damage,
danger,
element,
influence,
interpretation,
layer,
liner,
logic,
metal,
moisture,
pad,
pain,
pressure,
rock,
runoff,
soil,
solution,
surface,
tear,
temperature,
termite,
weather,
wind
[See all][See only the most frequent]
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| derivations: |
imperviously (adv.), imperviousness (n.) |
The word impervious
contains the following parts:
im-2
Latin
prefix
that means not, without
  More about this word part:
The prefix im-2 occurs in Latin loanwords. It is an assimilated form of in-2 used before roots beginning with the letter "m," "p," and "b." See in-2.
Example words:
imbalance, immaculate, immaterial, immature, immediate, immiscible, immobile, immodest, immortal, immovable, immune, immutable, impalpable, impartial, impassable, impatient, impeccable, impecunious, impenitent, imperfect, impermeable, impermissible, impersonal, imperturbable, impervious, implacable, implausible, impolite, imponderable, impossible, impotent, impregnable, improper, impropriety, improvise, imprudent, impudent, impunity, impure
per-
Latin
prefix
that means through, throughout; very
Example words:
impermeable, impermissible, imperturbable, impervious, parvenu, perambulate, perceive, perception, percolate, perennial, perfect, perfidy, perfoliate, perforate, perform, perfunctory, perjury, permanent, permeate, permissible, permission, permit, permute, pernicious, perorate, perpetual, perplex, persecute, persevere, persist, persistent, perspective, perspicacious, perspicuous, perspire, persuade, persuasion, persuasive, pertinacious, perturb, peruse, pervade, perverse, pervert, pervious, semipermeable
-ous, -ious
Latin
adjective-forming suffix
that means full of, characterized by
More about this word part:
The suffix "-ous
, -ious
" attaches to Latin, Greek, and native English roots
Example words:
adventurous, ambiguous, amorous, amorphous, anadromous, androgynous, anomalous, apetalous, apocarpous, apterous, aqueous, atrocious, auspicious, avaricious, azygous, captious, carnivorous, chromous, coterminous, covetous, curious, delicious, diadromous, diaphanous, dicephalous, dioecious, disingenuous, egregious, endogenous, enormous, epigynous, euphonious, extemporaneous, ferocious, fortuitous, generous, glorious, gracious, gregarious, heterogamous, heterogeneous, homogeneous, homogenous, homologous, homopterous, hydrous, hypogynous, illustrious, impecunious, impervious, incommodious, incongruous, inconspicuous, indecorous, infamous, infelicitous, innocuous, intravenous, isogenous, isomerous, joyous, judicious, laborious, ludicrous, lustrous, magnanimous, malicious, malodorous, monoclinous, monoecious, multiparous, nauseous, perigynous, poisonous, porous, precious, quadrumanous, ramous, rebellious, spacious, subaqueous, synchronous, tubuliflorous, unanimous, valorous, vicious, wondrous, xerophilous
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