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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From late 17th century French effronterie, from effronté (“shameless, insolent”), from Old French esfronté, from Vulgar Latin *exfrontātus. Compare Latin effrōns (“barefaced”), from the prefix ex- (“from”) + frōns (“forehead”) (English: front). By surface analysis, ef- + front + -er + -y.
presumption, presumptuousness, assumption
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Classic usage
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