Simple past tense and past participle of siege.(verb)
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Use "sieged" in a sentence
"The first major city that the armies of the First Crusade sieged on their way to Jerusalem was Nicaea (now Iznik) in northwest Asia Minor."
"These scholars had the unenviable task of explaining why their patrons eventually sieged, overran, and sacked Carthage in a door-to-door killing spree that left only fifty thousand survivors out of an estimated population of seven hundred thousand."
"The second he stops at a lava field, Skynet will trade everything it has just to keep him pinned down and sieged up until he starves."