Meaning of imponderable

im•pon•der•a•ble

Pronunciation: (im-pon'dur-u-bul), [key]
— adj.
  1. not ponderable; that cannot be precisely determined, measured, or evaluated.
—n.
  1. an imponderable thing, force, agency, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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