Quadratur des Kreises

== German == === Pronunciation === IPA(key): /kvadraˈtuːr dəs ˈkraɪ̯zəs/, [kʋa.dʁaˈtu(ː)ɐ̯ dəs ˈkʁaɪ̯.zəs] === Noun === Quadratur des Kreises f (genitive Quadratur des Kreises, plural Quadraturen des Kreises) squaring the circle (figurative) an impossible problem or endeavour; (hence also) something futile