English to English

verb (v)

• make worse(verb.change)

  Example:
  This drug aggravates the pain.
  

  Synonym:
  exacerbate, exasperate, worsen
  Antonym:
  ameliorate, amend, better, improve, meliorate
  

  source: wordnet30
• exasperate or irritate(verb.emotion)

  Synonym:
  exacerbate, exasperate
  

  source: wordnet30
• To make heavy or heavier; to add to; to increase.(verb)

  source: webster1913