Unclean, dirty, or ritually impure (often used in religious/ceremonial contexts).
仏教では血や死体に触れると不浄と見なされることがある。
In Buddhism, contact with blood or a corpse is sometimes regarded as impure.
調理の前に手を洗わないと不浄となるので注意してください。
Be careful to wash your hands before cooking, or it will be unclean/unsanitary.
心の不浄を取り除くために祈りを捧げた。
He offered prayers to cleanse the impurities of the heart/mind.
その床は長年掃除されず不浄な状態だった。
The floor had not been cleaned for years and was dirty.
A euphemistic term for the bathroom/toilet; usually used with the honorific prefix as 'ご不浄'.
すみません、ご不浄はどちらにございますか?
Excuse me, where is the restroom?
ご不浄をお借りしてもよろしいでしょうか。
May I use your restroom?
Archaic: refers to menstruation (rarely used in modern language).
江戸時代の文献では、女性の月経を不浄と表記することがあった。
In Edo-period writings, women's menstruation was sometimes described as 'impure.'
Archaic: refers to feces; not commonly used in this sense today.
古い衛生書には、不浄(糞)の処理方法が詳述されている。
Old sanitary manuals describe methods for disposing of feces (referred to as 'fujō').