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Definition of "ack" []

  • A in RAF phonetic alphabet (noun)
  • Acknowledgment signal (noun)
  • Acknowledged (interjection)
  • Expressing distaste, alarm, or trepidation. (interjection)

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Use "ack" in a sentence
  • "Yes, please go see Kiki - it is very good, even in English ack! but if you can't get the sub, the dub is not the worst."
  • "Nicholas Baker of Louisville, Kentucky, called that classification into question, suggesting that the origin of ack-ack is German acht acht ` 8.8, 'from the designation for the weapon by its bore diameter in centimeters."
  • "I do not know if there is any connection between this and the British term ack-ack."