Distasteful, a.
1. Unpleasant or disgusting to the taste; nauseous; loathsome.
2. Offensive; displeasing to the feelings; disagreeable; as, a distasteful truth. Distasteful answer, and sometimes unfriendly actions. Milton.
3. Manifesting distaste or dislike; repulsive. "Distasteful looks." Shak.
Syn. -- Nauseous; unsavory; unpalatable; offensive; displeasing; dissatisfactory; disgusting. - Dis*taste"ful*ly, adv. -- Dis*taste"ful*ness, n.
Shades of meaning
Fernald lists distasteful only as an antonym, under tasteful.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given