1. present participle of impair; weakening or damaging something
Usage: present participle form

1. causing weakness, damage, or reduced function

Examples

• The medication was impairing her ability to concentrate.
• Lack of sleep is impairing his performance at work.
• The storm was impairing visibility on the highway.
• Alcohol has an impairing effect on motor skills.
• The injury is impairing his mobility.
• Stress was impairing her memory.
• The fog was impairing the pilot’s vision.