What does “Quadratur des Kreises” mean?

Da Vincis vitruvianischer Mensch: Geometrie und Philosophie erklärt

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B2 German listening practice · Standard German · Curated for upper-intermediate learners

💡 Did you know?
die Quadratur des Kreises
idiom · German
“squaring the circle: an impossible task”

Explaining Leonardo’s Vitruvian Man, the video reaches for an ancient puzzle: «Das wird oft als Quadratur des Kreises bezeichnet» (“this is often called squaring the circle”). The Quadratur des Kreises is the geometry problem of building a square with exactly the area of a given circle, proven impossible because of pi.

Like English, German uses it as an idiom for any hopeless, self-contradictory task: “Das ist die Quadratur des Kreises” means “that simply can’t be done.” Politicians “versuchen die Quadratur des Kreises” when they juggle demands that cancel each other out. A handy phrase for the impossible ask at work.

Vocabulary frequency

How common is the vocabulary in this B2 German listening practice listening practice?

83.5%
of words are in the top 2,000 most common German words
Based on this reel’s transcript, most of the vocabulary is high-frequency, everyday German.

General German frequency

77.1%
Top 1,000
83.5%
Top 2,000
92.4%
Top 5,000

Spoken German frequency

89.8%
Top 1,000
94.7%
Top 2,000
100%
Top 5,000
👄 Conversational vocabulary
This reel’s words appear more often in subtitle-based spoken-German data than in general usage, so it may feel closer to everyday conversation.

Words above this video’s level

Quick glosses for vocabulary that goes beyond this video’s B2 level.

vitruv
4×
Rare / outside top 5,000
Vitruv
multipliziert
2×
Rare / outside top 5,000
nabel
2×
Rare / outside top 5,000
navel; navel
quadrats
2×
Rare / outside top 5,000

Source: wordfreq 3.1.1 (general) · SUBTLEX-DE 2011 (spoken). Buckets approximate; exact ranks not stored.

★Where you’ll hear this
  • ▸German educational documentaries on math and art history, in the style of Arte.
  • ▸German political commentary describing impossible compromises.
  • ▸In German discussions of Leonardo da Vinci and Renaissance science.
  • ▸Everyday German for a no-win problem at work or home.

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