Dictionary / Vocabulary / 時代遅れ
じだいおくれ
old-fashioned; behind the times; out-of-date; antiquated
Also written 時代おくれ、時代後れ
路面電車は今では確かに時代遅れかもしれない。
The streetcar is now certainly out of date.
率直に言うと、君の考え方は時代遅れだ。
Frankly speaking, your way of thinking is out of date.
彼らの考え方は時代遅れだ。
Their way of thinking is behind the times.