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English definition of “maintain”

maintain

verb [T] (EXPRESS)    /meɪnˈteɪn/
C2 to express firmly your belief that something is true: Throughout his prison sentence Dunn has always maintained his innocence. [+ that] He maintains that he has never seen the woman before.Assertions and asserting
(Definition of maintain verb (EXPRESS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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