This is the 7250th most frequent Japanese word.
不潔
Unclean; dirty; unsanitary.
Here, 不潔 is used to describe the state of the room, indicating that it is dirty or unhygienic.
その部屋は不潔で住むには適していない。
That room is unclean and not suitable for living.
In this sentence, 不潔 refers to habits or behaviors that are considered dirty or unsanitary.
彼の不潔な習慣には我慢できない。
I cannot tolerate his unclean habits.
Here, 不潔 is used metaphorically to describe thoughts that are considered impure or morally unclean.