verb (v)

• surround so as to force to give up(verb.competition)

  Example:
  The Turks besieged Vienna.
  

  Synonym:
  beleaguer, circumvent, hem in, surround
  

  source: wordnet30
• cause to feel distressed or worried(verb.emotion)

  Example:
  She was besieged by so many problems that she got discouraged.
  

  source: wordnet30
• harass, as with questions or requests(verb.communication)

  Example:
  The press photographers besieged the movie star.
  

  source: wordnet30
• To beset or surround with armed forces, for the purpose of compelling to surrender; to lay siege to; to beleaguer; to beset.(verb)

  source: webster1913