phonebook

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phonebook

/ˈfoʊnˌbʊk/ US

Where it comes from

From phone + book.

noun phonebooks · phone book

A directory of all the phone numbers used in a district. One even proposes, in a workaday monotone, that the first hundred people in any Idaho phonebook could do just as well as the legislators at making decisions in the capital.
broadly A large lookup table. He does this by using the Domain Name System, or DNS, which is the phonebook for the Internet.

verb phonebooks · phonebooking · phonebooked · phone book

transitive To determine the identity of (an Internet user) by comparing personal information to real-world directories or databases (e.g., lists of people in phonebooks or relatives of those who have recently died).

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MLA

"phonebook." Wiktionary, via Micwyn, micwyn.com/word/phonebook. Accessed 6 Nov. 2026.

APA

phonebook. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/phonebook

Chicago

"phonebook." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/phonebook.

BibTeX

@misc{phonebook_2026,
  title = {phonebook},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/phonebook},
  urldate = {2026-11-06}
}