terrible, awful, horrible
It was really horrible.
Toms Französisch ist grauenhaft.
Tom's French is terrible.
Meine Frau kann nicht putzen und ihr Essen schmeckt grauenhaft.
My wife can't clean and her food tastes awful.
— Parasite (2019)
Gestern war wirklich grauenhaft.
Yesterday was truly awful.
The diary is horrific.