noun-modifying (irregular)
outdated; obsolete; disused
Describes something that has fallen out of use or fashion; often used attributively before nouns.
この店には廃れた技術を使った古い機械がまだある。
This shop still has old machines that use outdated technology.
廃れた習慣をいつまでも守る必要はない。
There's no need to cling to obsolete customs forever.