blackball has definitions from the field of politics
1
[ verb ] (politics) vote against; refuse to endorse; refuse to assent

Synonyms

veto negative

Examples

"The President vetoed the bill"

Related terms

oppose kill veto vote

2
[ verb ] expel from a community or group
3
[ noun ] the act of excluding someone by a negative vote or veto

Synonyms

barring

Related terms

ejection banish

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