noun, na-adjective
common saying; everyday talk; common parlance
Refers to widely used, ordinary expressions or the way people commonly speak. Often used in contrast to refined or technical language.
下世話に言えば、それはただの運だ。
In common parlance, it's just luck.
彼の説明は下世話でわかりやすい。
His explanation is easy to understand because it uses everyday language.
na-adjective, noun
Describes speech or content that is coarse, crude, or in poor taste. Carries a negative judgment about lack of refinement.
彼の下世話な冗談にはうんざりだ。
I'm fed up with his vulgar jokes.
そんな下世話な話はやめてください。
Please stop that indecent talk.
卑猥 explicitly means obscene or lewd, focusing on sexual indecency. 下世話 is broader, covering any coarse or lowbrow talk.
Compound of 下 (low, common) and 世話 (care, talk, everyday language). The exact historical derivation is uncertain, but the combination suggests 'low/common talk'.