時代遅(じだいおく)れ

じだいおくれ
noun, na-adjective
outdated, behind the times
descriptive
1. outdated, behind the times, old-fashioned
Something or someone that has fallen behind current trends, technology, or social norms. Can be used as a noun (an outdated thing/person) or as a na-adjective modifier.
その考(かんが)え方(かた)は時代遅(じだいおく)れだ。
That way of thinking is outdated.
時代遅(じだいおく)れな法律(ほうりつ)を見直(みなお)すべきだ。
We should review outdated laws.
スマートフォンを持(も)っていないと時代遅(じだいおく)れだと思(おも)われることもある。
Not having a smartphone can sometimes make people think you're behind the times.

Usage

Functions both as a noun (時代遅(じだいおく)れの/な + noun) and as a predicate (時代遅(じだいおく)れだ). Often carries a mildly critical tone, but can also be used humorously or self-deprecatingly.

Common collocations

Similar words

  • 古臭(ふるくさ)い: old-fashioned, musty (slightly more dismissive)
  • 旧式(きゅうしき): old-style, obsolete (technical, objective)
  • 時代遅(じだいおく)れ: behind the times (emphasizes falling behind current trends)

Related Words

Synonym: 古臭(ふるくさ)い (old-fashioned)
Compare: 旧式(きゅうしき) (old-style, obsolete)
Related: 陳腐化(ちんぷか) (obsolescence)
Compare: 古風(こふう) (old-fashioned, classic)
Compare: 流行遅(りゅうこうおく)れ (out of fashion)
general
Added 2026.2.22 15:22 · Revised 2026.9.2 13:01
12500/12719_jidaiokure