execration

1. The act of cursing.
2. A curse.
3. Something that is cursed or loathed.

noun

1. A denunciation invoking a wish or threat of evil or injury: anathema, curse, damnation, imprecation, malediction. Archaic malison. See words.
2. An object of extreme dislike: abhorrence, abomination, anathema, aversion, bête noire, bugbear, detestation, hate. Informal horror. See love/hatred.

Definition: hating
Antonyms: liking, loving

The noun has 3 meanings:

Meaning #1: hate coupled with disgust
  Synonyms: abhorrence, abomination, detestation, loathing, odium

Meaning #2: an appeal to some supernatural power to inflict evil on someone or some group
  Synonyms: condemnation, curse

Meaning #3: the object of cursing or detestation; that which is execrated