Heinous

a.

1.

Hateful; hatefully bad; flagrant; odious; atrocious; giving great offense; - applied to deeds or to character. It were most heinous and accursed sacrilege. - Hooker. How heinous had the fact been, how deserving Contempt! - Milton.

Adj.

1.

heinous - shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit" Synonyms: atrocious, flagitious, monstrous, grievous

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