悪性
Meanings
1
noun which may take the genitive case particle 'no', noun
malignant; virulent; pernicious
Primarily a medical term describing diseases, especially cancers, that are aggressive or life-threatening. Also used in fixed phrases like 悪性貧血 (pernicious anemia).
The test results showed the tumor was malignant.
A virulent strain of influenza is going around.
Usage patterns
- 〈事〉が悪性化するfor something (a tumor, condition) to turn malignant
A tumor that was benign can sometimes turn malignant.
- 悪性の〈物〉a malignant ~ (tumor, disease, etc.)
The test results showed malignant cells.
- 悪性度が〈形容詞〉the degree of malignancy is (high/low)
This cancer was diagnosed as highly malignant.