antiquated

adj

1. old-fashioned, out of date

   “Coming to the third proposition, von Hertling says, with justice, that the doctrine of the balance of power is a more or less antiquated doctrine.”

   “A root-and-branch reform of our antiquated passenger fares system is urgently needed if the rail industry is to fill the £2 billion annual black hole in its finances caused by the COVID-19 pandemic.”

verb

1. (form-of, participle, past)simple past and past participle of antiquate