Definition of defection in US English:



  • The desertion of one's country or cause in favor of an opposing one.

    ‘his defection from the Republican Party’
    ‘a number of defections by leading ballet dancers’
    • ‘The costs of defection, for its weaker participants, would assuredly be higher than are the costs of continued compliance.’
    • ‘The amnesty was offered after Ieng Sary led a mass defection of thousands of Khmer Rouge forces to the government.’
    • ‘A single additional defection could mean losing a vote of no confidence, leading to early elections.’
    • ‘One defection from the government dissolved Temaru's majority and the censure motions passed by a single vote.’
    • ‘Moreover, her defection from the Democrats occurred soon after the failure of the coalition proposal.’
    desertion, absconding, decamping, flight
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