Breadcrumb Home > Thesaurus > L Synonyms of longevity Find synonyms for: Noun 1. longevity, length of service, longness usage: duration of service; "her longevity as a star"; "had unusual longevity in the company" 2. longevity, seniority, oldness usage: the property of being long-lived WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of longevity (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language