English

Definition of blackball verb from the Oxford Advanced Learner's Dictionary

 

blackball

 verb
verb
BrE BrE//ˈblækbɔːl//
 
; NAmE NAmE//ˈblækbɔːl//
 
Verb Forms present simple I / you / we / they blackball
BrE BrE//ˈblækbɔːl//
 
; NAmE NAmE//ˈblækbɔːl//
 
he / she / it blackballs
BrE BrE//ˈblækbɔːlz//
 
; NAmE NAmE//ˈblækbɔːlz//
 
past simple blackballed
BrE BrE//ˈblækbɔːld//
 
; NAmE NAmE//ˈblækbɔːld//
 
past participle blackballed
BrE BrE//ˈblækbɔːld//
 
; NAmE NAmE//ˈblækbɔːld//
 
-ing form blackballing
BrE BrE//ˈblækbɔːlɪŋ//
 
; NAmE NAmE//ˈblækbɔːlɪŋ//
 
 
jump to other results
blackball somebody to prevent somebody from joining a club or a group by voting against them He was blackballed when he tried to join the Country Club. Word Origin late 18th cent.: from the practice of registering an adverse vote by placing a black ball in a ballot box.
See the Oxford Advanced American Dictionary entry: blackball