Pronunciation change

  • (UK) IPA (key): /ɪmˈpɛə(r)/ or /ɪmˈpɛː(r)/
  • (US) IPA (key): /ɪmˈpɛr/
  • (AU) IPA (key): /ɪmˈpeə(r)/ or /ɪmˈpeː(r)/
  • (file)

Verb change

Plain form
impair

Third-person singular
impairs

Past tense
impaired

Past participle
impaired

Present participle
impairing

  1. (transitive) If something impairs you, it weakens or affects you negatively.
    Jet engines that are in operation can impair your hearing if you don't wear your earmuff.