Pronunciation: /ˈæk ˈæk/
noun A sound imitating the noise of gunfire or explosions
A1 The soldiers heard the ack-ack of enemy planes overhead.
A2 During the war, the ack-ack guns were used to defend against enemy aircraft.
B1 The sound of ack-ack fire filled the air as the battle raged on.
B2 The ack-ack batteries were strategically placed to protect the city from aerial attacks.
C1 The effectiveness of the ack-ack defenses was crucial in preventing enemy bombers from reaching their targets.
C2 The skilled gunners operated the ack-ack guns with precision, shooting down multiple enemy aircraft.
formal The military used ack-ack guns to defend against enemy aircraft during the war.
informal I heard the ack-ack guns firing last night during the air raid.
slang The ack-ack was going off like crazy at the concert last night.
figurative Her sharp wit was like ack-ack, shooting down any argument thrown her way.
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