Word.ws English Dictionary

phonebook

US/ˈfoʊnˌbʊk/

phonebook noun: a directory of all the phone numbers used in a district.

Noun

phonebook (plural phonebooks)

  1. 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.2007 June 13, Virginia Heffernan, “Doing the People's Business, in All Its Somnolent Glory”, in New York Times
  2. (broadly) A large lookup table.
    • He does this by using the Domain Name System, or DNS, which is the phonebook for the Internet.2007 July 9, John Markoff, “Fixing Typos by Web Users, Without Raising Hackles”, in New York Times

Verb

phonebook (third-person singular simple present phonebooks, present participle phonebooking, simple past and past participle phonebooked)

  1. (transitive, Kiwi Farms) 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).

Forms of phonebook

Noun
pluralphonebooks
alternative formphone book
Verb
third-person singular presentphonebooks
present participlephonebooking
past participlephonebooked
pastphonebooked

Origin of phonebook

From phone + book.

Words formed from phonebook

Phrases with phonebook

Questions about phonebook

What does phonebook mean?
Phonebook means a directory of all the phone numbers used in a district.
What part of speech is phonebook?
Phonebook can be a noun or a verb.
How do you pronounce phonebook?
Phonebook is pronounced /ˈfoʊnˌbʊk/ (US).
What is the plural of phonebook?
The plural of phonebook is phonebooks.

Words near phonebook in the dictionary

  1. phoneaholic
  2. phonebank
  3. phonebanked
  4. phonebanking
  5. phonebanks
  6. phonebook
  7. phonebooks
  8. phonebooth
  9. phonebooths
  10. phonebox
  11. phoneboxes

Source and license

Adapted from Wiktionary: phonebook (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “phonebook.” Word.ws, https://word.ws/phonebook. Based on Wiktionary, CC BY-SA 4.0.