1. relating to or caused by disease
Usage: medical
2. extreme and unreasonable; compulsive

Examples

• The pathological changes in the tissue were clearly visible under the microscope.
• Doctors studied the pathological effects of the virus on lung function.
• He had a pathological fear of heights that prevented him from climbing stairs.
• Her pathological need for attention made it difficult to maintain friendships.
• The pathological liar couldn’t tell the truth even about simple matters.
• Pathological gambling destroyed his financial stability.
• The pathological specimen was sent to the lab for further analysis.