impair im-PAIR verb WS #23

to weaken or damage something; to diminish or make worse; to reduce the quality, strength, or effectiveness of something

1. The accident impaired his vision, making it difficult for him to drive at night.
2. Drinking alcohol can impair motor skills and reaction time significantly.
3. Lack of sleep can impair your ability to concentrate and make good decisions.
4. The injury will impair her mobility for several months while she recovers.
5. Budget cuts may impair the school's ability to provide quality education to students.