impregnable Hear it!

impregnable1 definition

im·preg·nable (im preg′nə bəl)

adjective

  1. not capable of being captured or entered by force
  2. unshakable; unyielding; firm an impregnable belief

Etymology: ME imprenable < OFr: see in- & pregnable

Related Forms:

impregnable2 definition

im·preg·nable (im preg′nə bəl)

adjective

that can be impregnated

Etymology: impregnate + -able

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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