c. 1600, "inclined to nausea, easily made queasy" (obsolete), from nausea + -ous. Sense of "causing nausea or squeamishness" is attested from 1610s. For distinction from nauseated see nauseate. Related: Nauseously; nauseousness.
实用例句
1. If the patient is poorly nourished, the drugs make them feel nauseous.
