Gangrenous
Part of speech: adjective
Definition: Indicative of or afflicted with gangrene.
Mortified
Part of speech: verb
Definition: To discipline (one's body, appetites etc.) by suppressing desires; to practise abstinence on.
Example sentence: I didn't know many people in London and became depressed, ending up in therapy. One day, the therapist called me Josh instead of Jacob, and I was mortified. I was telling this woman things I'd never told anyone, and she didn't even know my name.