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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Borrowed from French lassitude, from Latin lassitūdō (“faintness, weariness”), from lassus (“faint, weary”), perhaps for *ladtus, and thus akin to English late.
lethargy, sluggishness
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Classic usage
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