Answer:

besieged

AnswerCrossword Clue
BESIEGEDFar beyond busy
BESIEGEDDescriptive of Vicksburg, 1863.
BESIEGEDSurrounded.
BESIEGEDLike Acre in 1799
BESIEGEDUnder assault
BESIEGEDUnder attack