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blue book

or bluebook

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noun
a register or directory of socially prominent persons.
any register or directory, as of major companies or officials.
a blank book used in taking college examinations, usually with a blue cover.
a British parliamentary or other publication bound in a blue cover.
(initial capital letters)Trademark. a reference manual listing the current market value of used cars by model and year of manufacture.
a similar manual listing the market value of other items, appliances, etc.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use blue book in a sentence

  • This flying test had come to seem nothing more than an examination bluebook to him.

    The A.E.F.|Heywood Broun

British Dictionary definitions for blue book

bluebook

noun
(in Britain) a government publication bound in a stiff blue paper cover: usually the report of a royal commission or a committee
informal, mainly US a register of well-known people
(in Canada) an annual statement of government accounts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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