atrocious

Frightful, evil, cruel, or monstrous.

Prisons have been the sites of atrocious mistreatment of prisoners.

Offensive or heinous.

I had resolved in my own mind, that to create another like the fiend I had first made would be an act of the basest and most atrocious selfishness; and I banished from my mind every thought that could lead to a different conclusion.

Very bad; abominable, disgusting.

Their taste in clothes is just atrocious.

Others of the sailors joined with them in this attempt, and a twisted turmoil ensued; while standing out of harm's way, the valiant captain danced up and down with a whale-pike, calling upon his officers to manhandle that atrocious scoundrel, and smoke him along to the quarter-deck.