noun
old customs; traditional practices
Refers to customs or practices from the past, often with a slightly formal or historical tone. Not an everyday word; more common in written or academic contexts.
この村には今も旧俗が残っている。
Old customs still remain in this village.
旧俗を研究することは歴史を理解する上で重要だ。
Studying old customs is important for understanding history.