Difference between Barring and Blackball

Barring

Part of speech: verb

Definition: To obstruct the passage of (someone or something).

Part of speech: noun

Definition: the exclusion of someone; blackballing

Part of speech: preposition

Definition: Unless something happens; excepting; in the absence of

Blackball

Part of speech: noun

Definition: a rejection, a vote against admitting someonea black ball used to indicate such a negative votethe act of so rejecting someone

Part of speech: verb

Definition: to vote against, especially in an exclusive organizationto ostracize