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thorough

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adjective thorough pronunciation in American English /ˈθʌroʊ/
  1. 1
    including everything that is possible or necessary

    The key to a good interview is thorough preparation.

    a thorough investigation/examination/search:

    a thorough and painstaking investigation by the police

    a thorough understanding/knowledge:

    She has a thorough understanding of the business.

  2. 2
    [only before noun] complete: used for emphasizing how bad someone or something is

    It’s all a thorough nuisance.

    The project was a thorough disaster.

derived word

thoroughness

noun [uncountable]

SOLE

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

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Open Dictionary

bankster

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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