Filthy and Low-down

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

Low-down and filthy are semantically related in dirty topic. In some cases you can use "Low-down" instead an adjective "Filthy". informal substitute

Nearby Words: filth, filthily

Low-down adjective - Not following or in accordance with standards of honor and decency.

Filthy and low-down are semantically related in unpleasant topic. Sometimes you can use "Filthy" instead an adjective phrase "Low-down", if it concerns topics such as dirty.