verb
- to make something weaker or less effective; to damage or harm
Examples
- Lack of sleep can impair your ability to concentrate.
- The accident impaired his vision permanently.
- Heavy drinking may impair judgment and coordination.
- The storm impaired cell phone service throughout the region.
- Age-related hearing loss can impair communication.
- The medication might impair your driving ability.
- Budget cuts will impair the school’s educational programs.