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yes - definition and synonyms

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adverb     yes pronunciation in American English
  1. 1
    used for telling someone that what they have said or asked is true or correct

    “Is that your car?” “Yes, it is.”

    1. a.
      used when you are accepting what someone offers you

      “Would you like me to open a window?” “Yes, please.”

    2. b.
      used when you are giving permission

      “Can I borrow your pen for a minute?” “Yes, of course.”

    3. c.
      used when you are agreeing to do something

      “Can you get it for me by this afternoon?” “Yes, no problem.”

  2. 2
    used for asking someone what they want, for example in a store. “Yes” can sound impolite if it is expressed as a question

    Yes, sir. How can I help you?

    Yes? What is it?

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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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