Definition of assert verb from the Oxford Advanced Learner's Dictionary

     

    assert

     verb
    verb
    BrE BrE//əˈsɜːt//
     
    ; NAmE NAmE//əˈsɜːrt//
     
    Verb Forms present simple I / you / we / they assert
    BrE BrE//əˈsɜːt//
     
    ; NAmE NAmE//əˈsɜːrt//
     
    he / she / it asserts
    BrE BrE//əˈsɜːts//
     
    ; NAmE NAmE//əˈsɜːrts//
     
    past simple asserted
    BrE BrE//əˈsɜːtɪd//
     
    ; NAmE NAmE//əˈsɜːrtɪd//
     
    past participle asserted
    BrE BrE//əˈsɜːtɪd//
     
    ; NAmE NAmE//əˈsɜːrtɪd//
     
    -ing form asserting
    BrE BrE//əˈsɜːtɪŋ//
     
    ; NAmE NAmE//əˈsɜːrtɪŋ//
     
     
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  1. 1to state clearly and firmly that something is true assert that… She continued to assert that she was innocent. assert something She continued to assert her innocence. The German Chancellor was anxious to assert his government’s commitment to further European unity. + speech ‘That is wrong,’ he asserted. it is asserted that… It is commonly asserted that older people prefer to receive care from family members.
  2. 2assert yourself to behave in a confident and determined way so that other people pay attention to your opinions You’re too timid—you must try to assert yourself more.
  3. 3assert something to make other people recognize your right or authority to do something, by behaving firmly and confidently to assert your independence/rights I was determined to assert my authority from the beginning.
  4. 4assert itself to start to have an effect Good sense asserted itself.
  5. Word Origin early 17th cent.: from Latin asserere ‘claim, affirm’, from ad- ‘to’ + serere ‘to join’.Extra examples He managed to assert his power over the media. She wished to assert her independence from her parents. The report asserts confidently that the industry will grow. They successfully asserted their right to protect their homes.
See the Oxford Advanced American Dictionary entry: assert