Malignant

Cancer 101: Cancer Explained

Medical Definition of Malignant

Malignant: 1. Tending to be severe and become progressively worse, as in malignant hypertension. 2. In regard to a tumor, having the properties of a malignancy that can invade and destroy nearby tissue and that may spread (metastasize) to other parts of the body.

The word malignant comes the Latin combination of "mal" meaning "bad" and "nascor" meaning "to be born"; malignant literally means "born to be bad."


Quick GuideUnderstanding Cancer: Metastasis, Stages of Cancer, and More

Understanding Cancer: Metastasis, Stages of Cancer, and More

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Reviewed on 5/13/2016

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