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destruction; annihilation; extermination
敵の艦隊を撃滅するよう命じられた。
They were ordered to annihilate the enemy fleet.
完全な撃滅には至らなかった。
It did not result in complete annihilation.
撃滅作戦は深夜に決行された。
The annihilation operation was carried out late at night.