Raunchy and Unfastidious

Raunchy adjective - Depicting or referring to sexual matters in a way that is unacceptable in polite society.

Unfastidious and raunchy are semantically related In some cases you can use "Unfastidious" instead an adjective "Raunchy".

Unfastidious adjective - Marked by an absence of due or proper care or attention to detail; not concerned with cleanliness.

Raunchy and unfastidious are semantically related in dirty topic. Sometimes you can use "Raunchy" instead an adjective "Unfastidious", if it concerns topics such as messy, cluttered.