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companion - definition and synonyms

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noun [countable]     companion pronunciation in American English
Word Forms
  1. 1
    someone who is with you

    a traveling companion

    1. a.
      a friend or pet that you spend a lot of time with

      The dog soon became my constant companion.

    2. b.
      someone who is paid to live or travel with another person
  2. 2
    one of a pair or group of things that are related or can be used together

    Have you seen the companion to this glove?

    the television series American Inventors and its companion series American Discoverers

  3. 3
    used in the titles of books for showing that they are about a particular subject

    a copy of the Feminist Companion to English Literature



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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