execration

noun2

1. •
   An act or instance of cursing; a curse dictated by violent feelings of hatred; an imprecation; an expression of utter detestation.

   • [W]hile all mourned and honoured the dead, thou hast lived to merit our hate and execration—lived to unite thyself with the vile tyrant who murdered thy nearest and dearest— […] — 1819
2. •
   That which is execrated; a detested thing.