Entry 2 senses Webster, 1913 outmoded · IPA /ˌaʊtmˈoʊdɪd/ 01 adj. same as old-fashioned, a., 3. 1. same as old-fashioned, a., 3. See: old-fashioned 2. Unacceptable because it is inferior to current standards, procedures, or technology. Syn. antique, demode, old-fashioned{3}, old-hat(predicate), out-of-date, out of fashion(predicate), out of style(predicate), passe, passee. — Syn. -- obsolete, outdated, out-of-date, superannuated, old-fashioned{2}.