/ Dictionary / Index Y yearbook: Meaning and Definition of Find definitions for: year•book Pronunciation: (yēr'book"), [key] — n. a book published annually, containing information, statistics, etc., about the past year: an encyclopedia yearbook. a book published by the graduating class of a high school or college, containing photographs of class members and commemorating school activities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yearbook (Thesaurus) year-around year-end Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language