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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From French déranger, from Old French desrengier (“throw into disorder”), from des- + rengier (“to put into line”), from reng (“line, row”), from a Germanic source. See rank (noun).
unbalance
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Classic usage
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