Definition of blue book
1 : a register especially of socially prominent persons
2 : a book of specialized information often published under government auspices
3 : a blue-covered booklet used for writing examinations
4 : a periodically issued price list (as of used cars)
Examples of blue book in a sentence
The information is listed in the blue book.
First Known Use of blue book
BLUE BOOK Defined for English Language Learners
Definition of blue book for English Language Learners
: 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)
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