Meaning of undercurrent

un•der•cur•rent

Pronunciation: (un'dur-kûr"unt, -kur"-), [key]
— n.
  1. a tendency underlying or at variance with the obvious or superficial significance of words, actions, etc.: Even in his friendliest remarks, one could sense an undercurrent of hostility.
  2. a current, as of air or water, that flows below the upper currents or surface.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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