/ Dictionary / Index G guidebook: Meaning and Definition of Find definitions for: guide•book Pronunciation: (gīd'book"), [key] — n. a book of directions, advice, and information, esp. for travelers or tourists. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guidebook (Thesaurus) guideboard guide center Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language