American English

Definition of incontrovertible adjective from the Oxford Advanced American Dictionary

     

    incontrovertible

     adjective
    adjective
    NAmE//ˌɪnkɑntrəˈvərt̮əbl//
     
    (formal)
     
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  1. 1that is true and cannot be disagreed with or denied synonym indisputable
  2. 2 incontrovertible evidence/proof
incontrovertibly
 
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NAmE//ˌɪnkɑntrəˈvərt̮əbli//
 
adverb Her book shows incontrovertibly that he was innocent.
See the Oxford Advanced Learner's Dictionary entry: incontrovertible