Hateful, a.
1. Manifesting hate or hatred; malignant; malevolent. [Archaic or R.] And worse than death, to view with hateful eyes His rival's conquest. Dryden.
2. Exciting or deserving great dislike, aversion, or disgust; odious. Unhappy, wretched, hateful day! Shak.
Syn. -- Odious; detestable; abominable; execrable; loathsome; abhorrent; repugnant; malevolent. -- Hate"ful*ly, adv. -- Hate"ful*ness, n.
Shades of meaning
Fernald lists hateful only as an antonym, under amiable, delightful, pleasant.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given