Nauseous, a.
Etymology: [L. nauseosus.]
Causing, or fitted to cause, nausea; sickening; loathsome; disgusting; exciting abhorrence; as, a nauseous drug or medicine. -- Nau"seous*ly, adv. -- Nau"seous*ness, n. The nauseousness of such company disgusts a reasonable man. Dryden.
Shades of meaning
Fernald lists nauseous only as an antonym, under delicious.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given