I feel terrible.

Meaning

Expressing a strong feeling of remorse.

Examples

• John: I said some really hurtful things to Mary.
• Alice: Oh dear. How do you feel about it?
• John: <b>I feel terrible</b>. I really messed up.
• Alice: You should apologize. I know you'll feel a lot better once you've done so, and you shouldn't have to keep feeling <b>terrible</b>.