Meaning of blackball

black•ball

Pronunciation: (blak'bôl"), [key]
— v.t.
  1. to vote against (a candidate, applicant, etc.).
  2. to exclude socially; ostracize: The whole town blackballed them.
  3. to reject (a candidate) by placing a blackball in the ballot box.
—n.
  1. a negative vote, esp. in deciding on an applicant or candidate.
  2. a black ball placed in a ballot box signifying a negative vote.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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