Stories We Like: A Guide to the Comma
malignant ma·lig·nant (mə-lĭg'nənt)
Threatening to life, as a disease; virulent.
Tending to metastasize; cancerous. Used of a tumor.
A descriptive term for things or conditions that threaten life or well-being. Malignant is the opposite of benign.
Note: The term malignant is used in describing cancerous tumors (see cancer) because such growths are a threat to the health of the individual.
Note: The term is often used in a general way to denote something that is both destructive and fast growing: “The malignant growth of the suburbs is destroying the landscape.”