become outdated 意味

• 時代遅れとなる
  

例文

1. this technology has become outdated in our current world .
   でも現在の世界には 時代遅れです
2. this custom did not become outdated during the samurai government in the kamakura period; indeed , men ' s makeup was taken over by children in a traditional festival procession and high-class samurai in later times .
   武士政権の鎌倉期に入っても廃れるどころか後々も稚児や高級武士の中に男性の化粧が残った。