Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. impenetrable

from the GNU version of the Collaborative International Dictionary of English

  • adj. Impenetrable.

from The Century Dictionary and Cyclopedia

  • Impenetrable.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ penetrable

Examples

Comments

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