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Meaning of underdog

un•der•dog

Pronunciation: (un'dur-dôg", -dog"), [key]
— n.
  1. a person who is expected to lose in a contest or conflict.
  2. a victim of social or political injustice: The underdogs were beginning to organize their protests.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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