This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The state or quality of being malignant.

n. Pathology A malignant tumor.

n. The state of being malignant or diseased.

n. A malignant cancer; specifically, any neoplasm that is invasive or otherwise not benign.

n. That which is malign; evil, depravity, malevolence.

n. The state of being malignant, in feeling or purpose; extreme malevolence; bitter enmity; malice: as, malignancy of heart.

n. In English history, the state of being a malignant; adherence to the royal party in the time of Cromwell and the civil war. See malignant, n., 2.

n. The property of expressing malice or evil intent; malignant or threatening nature or character; unpropitiousness.

n. In pathology, virulence; tendency to a worse condition: as, the malignancy of a tumor.

n. (medicine) a malignant state; progressive and resistant to treatment and tending to cause death

n. quality of being disposed to evil; intense ill will

"Diet and nutrition are thought to play a role in the development of RCC, but the effect of specific food groups on the risk of this malignancy is controversial, explain Dr. Francesca Bravi and colleagues in the International Journal of Cancer."

benignancy   

evilness    evil   

malignancies    fibrosis    adenocarcinoma    malevolence    parenchyma