Abomination

/əˌbɑːmɪˈneɪʃn/

abom·in·ation

BrE /əˌbɒmɪˈneɪʃn/

NAmE /əˌbɑːmɪˈneɪʃn/

(formal)

a thing that causes disgust and hatred, or is considered extremely offensive