1) Abhorrence 2) Abomination 3) Disgust 4) Execration 5) French word used in English 6) Hate 7) Hate coupled with disgust 8) Hatred 9) Intense hatred 10) Loathing 11) Odium Found on https://www.crosswordclues.com/clue/detestation
Det`es·ta'tion noun [ Latin detestatio : confer French détestation .] The act of detesting; extreme hatred or dislike; abhorrence; loathing. « We are heartily agreed in our detestation of civil war.» Burke. Found on http://www.encyclo.co.uk/webster/D/51