noun
lewd manners; immorality
Refers to a social atmosphere or customs characterized by sexual laxity or moral decay. Often used in critical or literary contexts.
その時代の淫風を批判する文章が残っている。
Writings criticizing the lewd customs of that era remain.
淫風がはびこる社会では、道徳が軽んじられる。
In a society where immorality is rampant, morality is disregarded.