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verb [transitive] assert pronunciation in British English /əˈsɜː(r)t/
Word Forms
present tense
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.


… a teaching method in which groups of children learn independently using a computer linked to the internet

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a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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