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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English agreven, from Old French agrever; a (Latin ad) + grever (“to burden, injure”), from Latin gravare (“to weigh down”), from gravis (“heavy”). See grieve, and compare with aggravate.
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Classic usage
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