Definition of “malignant” - English Dictionary

“malignant” in British English

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(Definition of “malignant” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“malignant” in American English

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malignantadjective

us /məˈlɪɡ·nənt/ medical

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

The pathologist’s report said the tumor was malignant.

(Definition of “malignant” from the Cambridge Academic Content Dictionary © Cambridge University Press)