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English definition of “self-defeating”

self-defeating

adjective     /ˌself.dɪˈfiː.tɪŋ/ US  /-t̬ɪŋ/
describes something that causes or makes worse the problem it was designed to avoid or solve: self-defeating regulationsUseless and futile
(Definition of self-defeating adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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