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im·per·vi·ous
 impervious
- pronunciation:
- ihm
puhr
vi
 s
| 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 |
| derivations: |
imperviously (adv.), imperviousness (n.) |
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