The meaning of MALIGNANT is tending to produce death or deterioration; especially : tending to infiltrate, metastasize, and terminate fatally. How to use malignant in a sentence.

MALIGNANT meaning: 1. A malignant disease or growth is cancer or is related to cancer, and is likely to be harmful…. Learn more.

Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A …

Dec 4, 2025 · While benign tumors are noncancerous and generally grow slowly without invading nearby tissues, malignant tumors are cancerous, capable of rapid growth, and can invade …

Definition of malignant adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

What Does 'Malignant' Mean? “Malignant” is a term used to describe active cancer cells or tumors. This is a general term, however, and may be applied to any condition that is serious …

1. inclined to cause harm, suffering, or distress. 2. very dangerous or harmful in influence or effect. 3. a. tending to produce death, as bubonic plague. b. (of a tumor) characterized by …