Examples of “malignant” in a Sentence

adjective Harmful or hostile in intent; wishing ill on others.

• He spread malignant rumors about his former business partner.
• There was a malignant look in her eyes as she watched him fail.
• The villain gave the hero a malignant smile and whispered a threat.

adjective Medically: likely to spread and become life-threatening, as with a tumor.

• The biopsy confirmed the growth was malignant.
• Doctors caught the malignant cells before they could spread further.
• Surgeons removed the malignant tumor, and the patient began treatment soon afterward.