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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



a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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