torment:1

noun
tor*ment \ ˈtȯr-ˌment \
13th century{ds||1||}
  • extreme pain or anguish of body or mind : agony
  • a source of vexation or pain
  • the infliction of torture (as by rack or wheel)

torment:2

verb
tor*ment \ tȯr-ˈment \ ˈtȯr-ˌment \
13th century{ds||1||}
  • to cause severe usually persistent or recurrent distress of body or mind to
  • distort, twist

self-torment

noun
self-tor*ment \ ˌself-ˈtȯr-ˌment \
1624
  • the act or an instance of tormenting oneself especially psychologically
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