Breadcrumb Home > Thesaurus > F Synonyms of fourthly Find synonyms for: Adverb 1. fourthly, fourth usage: in the fourth place; "fourthly, you must pay the rent on the first of the month" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fourthly (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: eponymous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language