けがkegaらわしいrawashii
1.

A feeling of discomfort or aversion that arises when one is confronted with something perceived as morally or spiritually tainted, suggesting that proximity to it could lead to one's own contamination.

2.

An expression used to describe something that is so unclean or abominable that it induces a visceral reaction of disgust, making it difficult to engage with or accept.

3.

A term reflecting a state of impurity associated with certain conditions or events (like death or illness), creating a sense of defilement that is not only physical but also spiritual.

4.

A descriptor for something regarded as not just unpleasant, but fundamentally repugnant, evoking a strong desire to distance oneself from it due to its perceived immorality or uncleanliness.

Example:

そんな汚らわしい話をするのはやめて。