Definition of contentious adjective from the Oxford Advanced Learner's Dictionary

     

    contentious

     adjective
    adjective
    BrE BrE//kənˈtenʃəs//
     
    ; NAmE NAmE//kənˈtenʃəs//
     
    (formal)
     
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  1. 1likely to cause disagreement between people a contentious issue/topic/subject Both views are highly contentious. Try to avoid any contentious wording. The government’s treatment of refugees remains a highly contentious issue. opposite uncontentious
  2. 2liking to argue; involving a lot of arguing a contentious meeting
  3. Word Origin late Middle English: from Old French contentieux, from Latin contentiosus, from content- ‘striven’, from the verb contendere.
See the Oxford Advanced American Dictionary entry: contentious