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assert

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verb [transitive] assert pronunciation in British English /əˈsɜː(r)t/ 
Word Forms
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present tense
I/you/we/theyassert
he/she/itasserts
present participleasserting
past tenseasserted
past participleasserted
  1. 1
    to state firmly that something is true

    He has continued to assert his innocence.

    assert (that):

    The governor asserted that no more money would be available.

    1. a.
      to speak or behave in a firm, confident way

      She always manages to assert her point of view.

      assert yourself (=to state your opinion firmly and confidently):

      Don't be so shy – you need to learn to assert yourself.

  2. 2
    to claim that you have the right to do something or behave in a particular way

    This system discourages people from asserting their rights in court.

    He quickly asserted his authority as a leader.

    It's hard for shy people to assert themselves in a group.

  3. 3
    if a fact, idea, or tendency asserts itself, it begins to influence someone or something

    After a while her old bad habits began to assert themselves.

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