If you make bad decisions in the morning after drinking coffee, you might conclude that caffeine tends to impair your judgment. When you impair something, you damage it or make it work poorly.

  • Pronunciation: /ɪmˈpeəd/
  • English Description: to damage something or make it not as good as it should be
  • Chinese Translation: 损害(Sun3 Hai4)
  • Spanish Translation: Perjudicar
  • STORY: The root of the verb impair traces back to the Latin word pejorare, meaning “to make worse,” and that’s still what happens if you impair something. Whether it’s communication, visibility, or your marriage prospects, if you impair it, you make it worse. The word can be used for situations that describe something that has deteriorated, such as “Snow continued to impair driving conditions.”


  • He then sprayed her in the face with some form of adhesive-type substance that left her vision temporarily impaired.BBC Apr 8, 2015

  • For instance, museum officials discovered that sighted people also were listening to the audio guide that was specially designed and developed for the visually impaired.

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