Meaning of impossible

im•pos•si•ble

Pronunciation: (im-pos'u-bul), [key]
— adj.
  1. not possible; unable to be, exist, happen, etc.
  2. unable to be done, performed, effected, etc.: an impossible assignment.
  3. incapable of being true, as a rumor.
  4. not to be done, endured, etc., with any degree of reason or propriety: an impossible situation.
  5. utterly impracticable: an impossible plan.
  6. hopelessly unsuitable, difficult, or objectionable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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