1. present participle of disease; causing or infecting with disease; making sick or unhealthy
Usage: formal or literary usage; often used in medical or figurative contexts

Examples

• The contaminated water was diseasing the entire village.
• Diseasing crops with fungal infections threatened the harvest.
• The doctor warned that poor hygiene was diseasing the patients in the ward.
• Pollution was diseasing the fish population in the river.
• The plague was diseasing thousands across the continent.