nebulous

== English == === Etymology === Inherited from Middle English nebulous, 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”). By surface analysis, nebula +‎ -ous. More at neveling, nuel. === Pronunciation === (Received Pronunciation, US) IPA(key): /ˈnɛbjʊləs/ === Adjective === nebulous (comparative more nebulous, superlative most nebulous) In the form of a cloud or haze; hazy. Vague or ill-defined. Relating to a nebula or nebulae. ==== Derived terms ==== ==== Related terms ==== nebula nebular nebulosity ==== Translations ==== === Further reading === “nebulous”, in OneLook Dictionary Search. === Anagrams === unblouse == Middle English == === Etymology === Borrowed from Middle French nebuleus, from Latin nebulōsus. === Adjective === nebulous nebulous === Further reading === “nebulǒus, adj.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 7 June 2026.