adj. Not current or belonging to the present time. Opposite of current. [ Narrower terms: back(prenominal), out-of-date; discontinued, out of print(predicate), out of production(predicate), out of use(predicate); disused, obsolete ; obsolete, outdated, outmoded, out-of-date, superannuated ; obsolescent ] Also See: old, past. [ WordNet 1.5 ]