Breadcrumb Home > Thesaurus > E Synonyms of eightieth Find synonyms for: Noun 1. eightieth, rank usage: position 80 in a countable series of things Adjective 1. eightieth, 80th, ordinal (vs. cardinal) usage: the ordinal number of eighty in counting order WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eightieth (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: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language