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



verbVerb Forms present simple I / you / we / they defect
BrE BrE//dɪˈfekt//
; NAmE NAmE//dɪˈfekt//
he / she / it defects
BrE BrE//dɪˈfekts//
; NAmE NAmE//dɪˈfekts//
past simple defected
BrE BrE//dɪˈfektɪd//
; NAmE NAmE//dɪˈfektɪd//
past participle defected
BrE BrE//dɪˈfektɪd//
; NAmE NAmE//dɪˈfektɪd//
-ing form defecting
BrE BrE//dɪˈfektɪŋ//
; NAmE NAmE//dɪˈfektɪŋ//
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BrE BrE//dɪˈfekt//
; NAmE NAmE//dɪˈfekt//
[intransitive] defect (from something) (to something) to leave a political party, country, etc. to join another that is considered to be an enemy A number of writers and musicians defected from the Soviet Union to the West in the 1960s. She defected from the party just days before the election.
Word Originverb late 16th cent.: from Latin defect- ‘failed’, from the verb deficere ‘desert or fail’, from de- (expressing reversal) + facere ‘do’.
See the Oxford Advanced American Dictionary entry: defect

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