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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English, from Middle French nebuleus, from Latin nebulōsus (“full of mist, foggy, cloudy”), from nebula (“mist, vapour, cloud”), from Proto-Indo-European *nébʰos (“cloud, vapor, fog, moist, sky”). Cognates *Ancient Greek νέφος (néphos, “cloud”) *German Nebel **Old High German nebul (“cloud, fog”) *Old English nifol, neowol (“dark, gloomy, obscure, precipitous, prone”) by surface analysis, nebula + -ous. More at neveling, nuel.
cloudy, nebulose
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Classic usage
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