Appalling

adjective causing repugnance; detestable; loathsome

• The abhorrent behavior exhibited by the defendant shocked the courtroom.
• I find it abhorrent when people chew with their mouths open.
• That movie was so abhorrent, I walked out halfway through.
• The politician's stance on the issue was seen as abhorrent by many voters.

adjective extremely bad or of very low quality

• The company's financial performance this quarter was abysmal.
• The movie I watched last night was abysmal, I wouldn't recommend it.
• His cooking skills are abysmal, he can't even make toast properly.
• The darkness in his heart was so abysmal, it consumed him entirely.