PEST'ILENT, adjective [Latin pestilens, from pestis, plague.]
1. Producing the plague, or other malignant, contagious disease; noxious to health and life; as a pestilent air or climate.
2. Mischievous; noxious to morals or society; destructive; in a general sense; as pestilent books.
3. Troublesome; mischievous; making disturbance; corrupt; as a pestilent fellow. Acts 24:5.