Nebulous meaning

nĕbyə-ləs
The definition of nebulous is someone or something that is vague or unclear.

An example of nebulous is a plan that doesn't describe the intended outcome.

adjective
9
3
Of, relating to, or characteristic of a nebula.
adjective
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3
adjective
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3
Unclear; vague; indefinite.
adjective
3
3
Cloudy, misty, or hazy.
adjective
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2
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Nebulous is defined as something that has to do with a cloud of gas or dust in space.

An example of nebulous is a star cluster.

adjective
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3
Lacking definite form or limits; vague.

Nebulous assurances of future cooperation.

adjective
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3
In the form of a cloud or haze; hazy.
adjective
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2
Vague or ill-defined.
adjective
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2
Relating to a nebula or nebulae.
adjective
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Origin of nebulous

  • Middle English from Latin nebulōsus from nebula cloud nebh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English, from Latin nebulōsus (“full of mist, foggy, cloudy"), from nebula (“mist, vapour, cloud"), from Proto-Indo-European *nébÊ°os (“cloud, vapor, fog, moist, sky"). Cognate with Ancient Greek νέφος (néphos, “cloud"), Old High German nebul (“cloud, fog") (German Nebel), Old English nifol, neowol (“dark, gloomy, obscure, precipitous, prone"). More at neveling, nuel.

    From Wiktionary