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Word of the Day
Friday, February 16, 2007

Definitions for impregnable

  1. Not capable of being stormed or taken by assault; unconquerable; as, an impregnable fortress.
  2. Difficult or impossible to overcome or refute successfully; beyond question or criticism; as, an impregnable argument.

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Citations for impregnable
During this destruction the villagers . . . relied on their ancient instinct for survival and retreated to the impregnable fortress of the mountain. Suheil Bushrui and Joe Jenkins, Kahlil Gibran: Man and Poet
What Spinoza says of laws is equally true of party-platforms,--that those are strong which appeal to reason, but those are impregnable which compell the assent both of reason and the common affections of mankind. James Russell Lowell, The Atlantic
Origin of impregnable
late Middle English
Impregnable is from Old French, from the prefix im-, "not" (from Latin in-) + prenable, "able to be taken or captured," from prendre, "to take," from Latin prehendere.