A term used to describe cancer. Malignant cells grow in an uncontrolled way and can invade nearby tissues and spread to other parts of the body through the blood and lymph system. A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Malignant cells can also spread to other parts of the body through the blood and lymph systems. malignant Medspeak adjective Tending to harm, kill, maim; pernicious, life-threatening; resistant to treatment; severe (as in malignant hypertension); threatening to life; virulent. Oncology adjective Referring to invasion and destruction of nearby tissue and spread to regions; referring to a neoplasm that invades surrounding tissue—which generally is unencapsulated—and grows by invasion, with vascular and lymphatic metastases. MALIGNANT definition : 1. A malignant disease or growth is cancer or is related to cancer, and is likely to be harmful…. Learn more.
