Luftnummer.
acrobatic performance in the air
Meaning & usage
acrobatic performance in the air
hot air (boastful, overoptimistic or otherwise unserious statement or promise)
sich als reine Luftnummer erweisen
flop (action or attempt that fails because of incompetent planning or execution)
an unreliable person involved in any of the previous
Where this word comes from
Luft (“air”) + Nummer (“act, performance”)
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.