Colloquial Variant guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
Antiaircraft artillery.
Definition source: English Wiktionary via Wiktextract
Usage: countable, slang, uncountable
Topics: government, military, politics, war
Synonyms: none provided
Antonyms: none provided
noun
Antiaircraft fire.
Definition source: English Wiktionary via Wiktextract
Usage: slang, uncountable
Topics: government, military, politics, war
Synonyms: none provided
Antonyms: none provided
noun
artillery designed to shoot upward at airplanes
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: antiaircraft, antiaircraft gun, flak, flack, pom-pom, ack-ack gun
Antonyms: none provided
Broader terms: gun
Narrower terms: Bofors gun
History
From ack (“A”) + ack (“A”), RAF WWI signalese for AA (“anti-aircraft”). (In modern signalese it would be called alpha-alpha.)
