malignant

3 definitions • 4 examples

A malignant disease or growth is cancer or is related to cancer, and is likely to be harmful:

The process by which malignant cancer cells multiply isn't fully understood.

Is the tumour malignant or benign?

having a strong wish to do harm:

He developed a malignant hatred for the land of his birth.

(of a disease or tissue growing because of a disease) leading to death:

The pathologist’s report said the tumor was malignant.