- adjective
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- not allowing a liquid to pass through [Barron]
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- impervious; not permitting passage through its substance
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- that cannot be permeated
More word meanings for impermeable
from leading online dictionaries:
- Wiktionary:
- impermeable @ wiktionary
- WordNet:
- impermeable @ wordnet.princeton.edu
- Merriam-Webster Online:
- impermeable @ M-W.com
- MSN Encarta:
- impermeable @ Encarta
- American Heritage Dictionary of the English Language:
- impermeable @ AHD provided by Yahoo! Education
- Answers.com:
- impermeable @ Answers.com
- Search for more definitions on Google:
- Google define:impermeable
- Search for more definitions on Yahoo!:
- Yahoo! define:impermeable
- Search for more definitions on Ask.com:
- Ask.com dictionary: impermeable