squalid

Extremely dirty and unpleasant.

[...] Mythologists describe Pan the son of Mercury (who was the God of Speech) with the upper part like a man, and the lower like a beast, to signifie that Truth is fair and comely, but a Lye squalid and Deformed.

Showing a contemptible lack of moral standards.

A squalid attempt to buy votes.

Minister, I hardly think that we can exploit our Sovereign by involving her in some might call a squalid vote-grubbing exercise.

Any member of the family Squalidae of dogfish sharks.

Numerous diet studies on squalids have shown that members of this family tend to feed mainly on teleosts and cephalopods[…]