"besieging" in the noun sense
1. siege, besieging, beleaguering, military blockade
the action of an armed force that surrounds a fortified place and isolates it while continuing to attack
"besieging" in the verb sense
1. besiege, beleaguer, surround, hem in, circumvent
surround so as to force to give up
"The Turks besieged Vienna"
2. besiege
cause to feel distressed or worried
"She was besieged by so many problems that she got discouraged"
3. besiege
harass, as with questions or requests
"The press photographers besieged the movie star"
Source: WordNet® (An amazing lexical database of English)
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