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hello - definition and synonyms

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interjection     hello pronunciation in American English
  1. 1
    used as a greeting when you meet someone or begin to talk to someone on the telephone

    Hello, my name is Anna.

    say hello:

    I need to say hello to a few people.

    1. a.
      used for calling to someone to get their attention

      Hello! We’re over here!

  2. 2
    very informal used for saying that you think someone is not being very sensible or is not paying attention to what is happening

    Hello! There’s no way anyone will give you a job with that haircut.

  3. 3
    mainly British used for expressing surprise or interest

    Hello. What’s that he’s holding?

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to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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