1. the quality of being malignant; extreme ill will or spite
2. the quality of being harmful or threatening; virulence
Usage: often medical

Examples

• The malignity in her voice was unmistakable.
• He spoke with such malignity that everyone fell silent.
• The doctor was concerned about the malignity of the tumor.
• Her actions revealed a deep malignity toward her former colleagues.
• The malignity of the disease became apparent as it spread rapidly.
• There was no malignity in his criticism, just honest concern.