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Verb: exacerbate  ig'za-su(r),beyt
  1. Make worse
    "This drug exacerbates the pain";
    - worsen, aggravate, exasperate
  2. Make very annoyed or frustrated
    - exasperate, aggravate

Derived forms: exacerbating, exacerbates, exacerbated

Type of: alter, anger, change, modify

Antonym: better

Encyclopedia: Exacerbate