Breadcrumb Home > Thesaurus > F Synonyms of fortieth Find synonyms for: Noun 1. fortieth, rank usage: position 40 in a countable series of things Adjective 1. fortieth, 40th, ordinal (vs. cardinal) usage: the ordinal number of forty in counting order WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fortieth (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: panoply Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language