nausea; urge to vomit
Medical term for the sensation of nausea or feeling sick to one's stomach. In casual contexts, 吐き気 is more common.
I have persistent nausea as a side effect of the anticancer drug.
I felt nausea right after eating.
Standard kanji spelling for the medical term 'nausea'.
Kana spelling is common in everyday writing, especially when the medical nuance is not emphasized.
Sino-Japanese compound of 悪 (bad, unpleasant) and 心 (heart, mind), originally referring to a disturbed state of mind or body. The modern medical sense 'nausea' is a specialized usage.