Luftnummer

== German == === Etymology === Luft (“air”) +‎ Nummer (“act, performance”) === Pronunciation === IPA(key): [ˈlʊftˌnʊmɐ] Hyphenation: Luft‧num‧mer === Noun === Luftnummer f (genitive Luftnummer, plural Luftnummern) (literal) acrobatic performance in the air (figurative, colloquial) hot air (boastful, overoptimistic or otherwise unserious statement or promise) Synonyms: heiße Luft, Phantasiegebilde, Windei sich als reine Luftnummer erweisen ― to turn out to be an empty promise/flop (colloquial) flop (action or attempt that fails because of incompetent planning or execution) Synonyms: Flop, Fehlschlag (colloquial, by extension) an unreliable person involved in any of the previous Synonyms: Schaumschläger, Windei, Luftikus ==== Declension ==== === Further reading === “Luftnummer” in Duden online “Luftnummer”, in Digitales Wörterbuch der deutschen Sprache‎[4] (in German) “Luftnummer” in OpenThesaurus.de