Definition of nebulous in English:


Line breaks: nebu|lous
Pronunciation: /ˈnɛbjʊləs


1In the form of a cloud or haze; hazy: a giant nebulous glow
More example sentences
  • Where others in this vein opt for a hazy, nebulous cloud of half-remembered dreams, Manitoba's music is direct and unassuming while still remaining evocative.
  • Smudges like this are called nebulae, because they look nebulous - like hazy clouds.
  • A thick, nebulous haze, caused by the manufacturing process, pervaded everywhere, revealing sparks and the blindingly bright radiance of welding from time to time.
1.1 another term for nebular.
More example sentences
  • Shapley noted that nebulous objects tended to be everywhere except in the Milky Way plane.
  • Twenty five years ago, the nebulous gas entombing the dying star at the centre was not hot enough to glow.
  • The Pleiades is a nebulous cluster of stars, all contained within one degree of longitude, located on the shoulder of the Bull.
2(Of a concept) vague or ill-defined: nebulous concepts like quality of life
More example sentences
  • Most irritating of all, I'm finding that my brain is absolutely unable to cope with vague, nebulous concepts or ideas.
  • Ultimately, it's not politics that makes the world go round but generosity, but for a lot of people that's a very nebulous concept.
  • Yet dark energy is a nebulous concept, one that has thus far flummoxed some of the smartest researchers on the planet.


late Middle English (in the sense 'cloudy'): from French nébuleux or Latin nebulosus, from nebula 'mist'. sense 2 dates from the early 19th century.



Pronunciation: /-ˈlɒsɪti/
More example sentences
  • For the outsider, the objects maintain a ‘deliberate vagueness, nebulosity, and ambiguity’ that help preserve their power within Bwami.
  • Indeed, within the Tarantula complex many such dark and dusty clouds are seen in silhouette as they obscure bright nebulosity behind them.
  • If you want to see the nebulosity (which is actually dust) surrounding the stars in the cluster, though, you'll need at least a 12-inch telescope.


More example sentences
  • But the success of the nebulously termed ‘world music’ as a commercially viable product, is contingent on a highly exoticised and partial notion of a vinyl atlas.
  • Campaigning in support of the treaty was therefore low key, with an occasional poster nebulously promising ‘a brighter Europe’.
  • The English regions are, by comparison, ahistorical, nebulously conceived, arbitrarily imposed.


More example sentences
  • It says a lot about the reach and nebulousness of those powers that the Commissioner himself may have come close to breaching their disclosure provisions.
  • Anyway - the luxury goods arena is special case and it is beautiful in its nebulousness.
  • Such nebulousness is perfect for a film about cultural confusion, the inability or refusal to see from others’ viewpoints.

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