Definition of outdated adjective from the Oxford Advanced American Dictionary

 

outdated

 adjective
adjective
NAmE//ˌaʊtˈdeɪt̮əd//
 
 
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no longer useful because of being old-fashioned outdated equipment These figures are now outdated. It is an outdated and inefficient system. compare out of date
See the Oxford Advanced Learner's Dictionary entry: outdated