exasperate
1. [ verb ] exasperate or irritate
Synonyms: aggravate exacerbate
Related terms: anger aggravation aggravation exasperation exacerbation
2. [ verb ] make furious
Synonyms: infuriate enfuriate incense outrage
Related terms: anger fury aggravation infuriation
3. [ verb ] make worse
Synonyms: aggravate exacerbate worsen
Examples:

"This drug aggravates the pain"

Related terms: better change inflame irritate degrade aggravation
Similar spelling:   exasperated
  exasperation
  exasperating
  exosphere