Breadcrumb Home > Thesaurus > O Synonyms of outdated Find synonyms for: Adjective 1. outdated, out-of-date, superannuated, noncurrent (vs. current) usage: old; no longer valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of outdated (Dictionary) TrendingHere are the facts and trivia that people are buzzing about.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: plutocracy Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language