blue book

noun

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.

Recent Examples on the Web

Still, the dual US and Italian citizen living in Italy has been looking into the process of giving up her little blue book in favor of fully embracing her burgundy EU one. — Terry Ward, CNN Money, 11 June 2026

David Bell, a history professor, has also added in oral exams and switched from short take-home papers to in-class writing in blue books. — Rose Horowitch, The Atlantic, 12 May 2026

In schools and universities, sales of old-fashioned blue books are booming, partly in response to the growing prevalence of students using large language models like ChatGPT to complete their coursework. — Mack Degeurin, Popular Science, 29 Apr. 2026

The association released these findings in a blue book on Friday, as reported by CCTV News. — Aman Tripathi, Interesting Engineering, 17 Apr. 2026

Word History

First Known Use

1633, in the meaning defined at sense 2

Rhymes for blue book

• betook
• casebook
• chapbook
• checkbook
• chinook
• codebook
• cookbook
• fishhook
• forsook
• guidebook
• handbook
• logbook