abominable

adjectives

unequivocally detestable
"abominable treatment of prisoners"; "detestable vices"; "execrable crimes"; "consequences odious to those you govern"- Edmund Burke
abominable, detestable, execrable, odious
is derived from
abominate
exceptionally bad or displeasing
"atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"
abominable, atrocious, awful, dreadful, painful, terrible, unspeakable