English to English

noun (n)

• an exasperated feeling of annoyance(noun.feeling)

  Synonym:
  aggravation
  

  source: wordnet30
• actions that cause great irritation (or even anger)(noun.act)

  source: wordnet30
• The act of exasperating or the state of being exasperated; irritation; keen or bitter anger.(noun)

  source: webster1913