- tending to produce death, as bubonic plague.
- (of a tumor) characterized by uncontrolled growth; cancerous, invasive, or metastatic.
Origin of malignant
Examples from the Web for malignant
And if trickle-down could start on a dinner napkin, surely the process of reversing its malignant effects can start with a book.Real Vs. Republican Populism: How to Win the War on Inequality|Michael Tomasky|April 16, 2014|DAILY BEAST
Immigration showcases the other malignant GOP tumor: The rage of the base.
Might either of the two bring up the malignant problems experienced by the Eurozone?
A few months earlier, he had been diagnosed with a malignant brain tumor.
The show lacks a tenth of the fizz the malignant but gifted Limbaugh decants every single afternoon.
At their head loomed a burly black-whiskered creature with a revolver in each hand—the malignant Schwandorf himself.The Pathless Trail|Arthur O. (Arthur Olney) Friel
The legislator cannot excuse a man because he was rather misguided than malignant.The Life of Sir James Fitzjames Stephen, Bart., K.C.S.I.|Sir Leslie Stephen
Sorrow has its design, and it is neither unkind nor malignant.
It lasted seven or nine days in each, and seems to have been a malignant fever.Aunt Charlotte's Stories of Greek History|Charlotte M. Yonge
This combination might be called for in any large innocent or malignant growth.
British Dictionary definitions for malignant
Word Origin for malignant
Medicine definitions for malignant
Science definitions for malignant
Culture definitions for malignant
A descriptive term for things or conditions that threaten life or well-being. Malignant is the opposite of benign.