malignant

/məlˈɪɡnənt/

/məˈɫɪɡnənt/

malignant

(of a tumor or disease) uncontrollable and likely to be fatal

antonyms : benign

characterized by a harmful, dangerous, or aggressive nature

Examples

1. Malignant narcissists usually have an overlay of some other form of mental disorder.

2. In transcoelomic spread, malignant cells penetrate the covering surfaces of cavities in our body.

3. It's malignant.

4. On the other hand, malignant tumors are cancerous.