to surround (as a fortified place) with armed forces for the purpose of capturing or preventing commerce and communicationbeleaguered the castle for months
beleaguered the castle for months
besieged, blockaded, invested, leaguered(archaic)
barricaded, blocked, cut off, dammed, encircledassailed, assaulted, attacked, besetconfined, insulated, isolated, quarantined
laid siege to
emancipated, freed, liberated, released, rescued
in 1644
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