Breadcrumb Home > Thesaurus > S Synonyms of sempiternal Find synonyms for: Adjective 1. dateless, endless, sempiternal, infinite (vs. finite) usage: having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sempiternal (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: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language