WordWeb Online

1. (military) the action of an armed force that surrounds a fortified place and isolates it while continuing to attack
   - siege, beleaguering, military blockade

1. Encircle as a military tactic
   "The Turks besieged Vienna";
   - beleaguer, surround, hem in, circumvent, siege
    
2. Cause to feel distressed or worried
   "She was besieged by so many problems that she got discouraged"
    
3. Harass, as with questions or requests
   "The press photographers besieged the movie star"

Derived forms: besiegings

Type of: assail, attack, blockade, distress, encirclement, importune, insist

Encyclopedia: Besieging