Breadcrumb Home > Thesaurus > E Synonyms of eighteenth Find synonyms for: Noun 1. eighteenth, rank usage: position 18 in a countable series of things Adjective 1. eighteenth, 18th, ordinal (vs. cardinal) usage: coming next after the seventeenth in position WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eighteenth (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language