1. present participle of infect; causing disease by introducing harmful microorganisms
2. present participle of infect; spreading something harmful or undesirable to others
Usage: figurative use

Examples

• The virus is infecting thousands of people each day.
• Poor sanitation is infecting the water supply.
• The wound became red and swollen, showing signs of infecting.
• His negative attitude is infecting the entire team.
• The computer virus is infecting files across the network.
• Bacteria from the cut finger are infecting the surrounding tissue.