Skip to the word

Added 9 October 2026

flak

/flæk/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about flak at Wordnik → Where our words come from →

Ground-based anti-aircraft guns firing explosive shells. .mw-parser-output .defdate{font-size:smaller}
Anti-aircraft shell fire.
Adverse criticism.
give someone flak

Origin

Borrowed from German FlaK, short for Fliegerabwehrkanone (“anti airplane cannon”).

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word