mortify

verb

• To discipline (one's body, appetites etc.) by suppressing desires; to practise abstinence on.

  "Some people seek sainthood by mortifying the body."

• (usually used passively) To embarrass, to humiliate. To injure one's dignity.

  "I was so mortified I could have died right there; instead I fainted, but I swore I'd never let that happen to me again."

• To kill.
• To reduce the potency of; to nullify; to deaden, neutralize.
• To kill off (living tissue etc.); to make necrotic.
• To affect with vexation, chagrin, or humiliation; to humble; to depress.
• To grant in mortmain.
• To lose vitality.
• To gangrene.
• To be subdued.