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Definition of blackball

blackball

/ˈblæk.bɔːl/
black · ball

Plural:blackballs
•
Past Simple:blackballed
•
Past Participle:blackballed
•
Present Participle:blackballing
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blackball Lexical Profile

blackball Game Scores & Validity

• verb

1

To reject or exclude someone from a club, group, or professional circle, typically through a secret vote or collective agreement.

Example

"Several whistleblowers claimed they were blackballed by major studios after speaking out about working conditions."

Synonyms
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Antonyms
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• noun

1

A negative vote or veto, originally cast by placing a small black ball into a ballot box, used to reject a candidate applying for membership in a club or organization.

Example

"A single blackball from any sitting committee member was enough to block the applicant's admission to the society."

Synonyms
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Antonyms
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• Rhymes for blackball

Word Origin & Etymology

Originated in the late 18th century from the traditional practice in private gentlemen's clubs and fraternal organizations, where members voted anonymously on a candidate's admission by dropping either a white ball (in favor) or a black ball (against) into a ballot box.

Cite this Entry


Wordmom. (2026). Definition of Blackball. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/blackball
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