blue book
Americannoun
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a register or directory of socially prominent persons.
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any register or directory, as of major companies or officials.
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a blank book used in taking college examinations, usually with a blue cover.
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a British parliamentary or other publication bound in a blue cover.
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(initial capital letters) a reference manual listing the current market value of used cars by model and year of manufacture.
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a similar manual listing the market value of other items, appliances, etc.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For their youngest child, maternity notes came in an app which could be accessed with a screen reader on their phone, rather than being handwritten in the traditional NHS blue book.
From BBC ● Sep. 12, 2026
Our little blue book now ranks a miserable 12th, right down there with Malaysia, according to a new report by Henley & Partners, a company that advises people on moving abroad.
From MarketWatch ● Oct. 18, 2025
Ronan Takizawa, a sophomore at Colorado College, has never heard of a blue book.
From Seattle Times ● Aug. 9, 2023
He was clean-shaven and carried a bible and a blue book of dedications which had "Jesus First" emblazoned on its cover.
From Reuters ● May 26, 2023
She handed me a blue book with gilt-edged pages.
From "Three Little Words: A Memoir" by Ashley Rhodes-Courter
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
