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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 ferment, from Middle French ferment, from Latin fermentāre (“to leaven, ferment”), from fermentum (“substance causing fermentation”), possibly from contraction of *fervimentum, from fervēre. See also fervent.
agitation, fermentation, tempestuousness, unrest
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Classic usage
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