Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun blackball

1 sense of blackball

Sense 1
barring, blackball -- (the act of excluding someone by a negative vote or veto)
       => ejection, exclusion, expulsion, riddance -- (the act of forcing out someone or something; "the ejection of troublemakers by the police"; "the child's expulsion from school")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb blackball

2 senses of blackball

Sense 1
banish, ban, ostracize, ostracise, shun, cast out, blackball -- (expel from a community or group)
       => expel, throw out, kick out -- (force to leave or move out; "He was expelled from his native country")

Sense 2
veto, blackball, negative -- (vote against; refuse to endorse; refuse to assent; "The President vetoed the bill")
       => oppose, controvert, contradict -- (be resistant to; "The board opposed his motion")