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blue book

noun

Simple Definition of blue book

  • : a report that is published by the government

  • : a thin booklet with a blue cover and empty pages that is often used for writing the answers to test questions in college

  • : a book that lists the current value of items (such as used cars)

Full Definition of blue book

  1. 1 :  a register especially of socially prominent persons

  2. 2 :  a book of specialized information often published under government auspices

  3. 3 :  a blue-covered booklet used for writing examinations

  4. 4 :  a periodically issued price list (as of used cars)


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