/ Thesaurus / P Synonyms of phone book Find synonyms for: Noun1. phonebook, phone book, telephone book, telephone directory, directoryusage: a directory containing an alphabetical list of telephone subscribers and their telephone numbersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language