Breadcrumb Home > Dictionary > Index E eighteen: Meaning and Definition of Find definitions for: eight•een Pronunciation: (ā'tēn'), [key] — n. a cardinal number, ten plus eight. a symbol for this number, as 18 or XVIII. a set of this many persons or things. —adj. amounting to 18 in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eighteen (Thesaurus) 8d eighteenmo TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: ailurophobia Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language