Word.ws English Dictionary

ack-ack

ack-ack noun: antiaircraft artillery.

ack-ack: antiaircraft artillery
Image: U.S. Air Force Historical Research Agency, Public domain, via Wikimedia Commons

Noun

ack-ack (countable and uncountable, plural ack-acks)

  1. (slang) Antiaircraft artillery.
    • The army fired upon us with ack-ack.
    • Ack-acks were set up in the square.
  2. (slang, uncountable) Antiaircraft fire.
    • The bomber flew through heavy ack-ack.

ack-ack meaning in Tamil

ack-ack in Tamil

பகைவர் விமானத்தை எதிர்த்துத் தாக்குகிற

Synonyms of ack-ack

Forms of ack-ack

pluralack-acks

Origin of ack-ack

From ack (“A”) + ack (“A”), RAF WWI signalese for AA (“anti-aircraft”). (In modern signalese it would be called alpha-alpha.)

Questions about ack-ack

What does ack-ack mean?
Ack-ack means antiaircraft artillery.
What is ack-ack in Tamil?
Ack-ack in Tamil is பகைவர் விமானத்தை எதிர்த்துத் தாக்குகிற. See Ack-ack meaning in Tamil.
What part of speech is ack-ack?
Ack-ack is a noun.
What is the plural of ack-ack?
The plural of ack-ack is ack-acks.

Words near ack-ack in the dictionary

  1. ACJ
  2. Acjachemen
  3. ACJC
  4. ack
  5. ack emma
  6. ack-ack
  7. ack-acks
  8. ackamarackus
  9. ackawi
  10. Ackawoi
  11. ackchyually

Source and license

Adapted from Wiktionary: ack-ack (page history and authors); ack-ack (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ack-ack.” Word.ws, https://word.ws/ack-ack. Based on Wiktionary, CC BY-SA 4.0.