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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English crumplen, cromplen, frequentative of Middle English crumpen (“to curl up, crump”), from Old English crump (“bent, crooked”). Equivalent to crump + -le.
crumble, tumble, break down, collapse
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Classic usage
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