Breadcrumb Home > Dictionary > Index Y Cite yearlong: Meaning and Definition of Find definitions for: year•long Pronunciation: (yēr'lông', -long'), [key] — adj. lasting for a year. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yearlong (Thesaurus) yearling yearly TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: obviate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language