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Classic usage
Reading level: medium
Estimated CEFR level: B1 — Intermediate
Estimated from word frequency; not an official CEFR classification.
Inherited from Middle English egre, eger, from Old French aigre, egre (modern French aigre), from Latin ācrus, variant of ācer (“sharp, keen”); see acid, acerb, etc. Compare vinegar, alegar.
tidal bore, bore, eagre, aegir
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Classic usage
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