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English definition of “undermine”


verb [T]     /ˌʌn.dəˈmaɪn/ US  /-dɚ-/
C2 to make someone less confident , less powerful , or less likely to succeed , or to make something weaker , often gradually : The president has accused two cabinet ministers of working secretly to undermine his position /him. Criticism just undermines their confidence .Upsetting and destabilizing
(Definition of undermine verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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