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nebulous

[neb-yuh-luh s] /ˈnɛb yə ləs/
adjective
1.
hazy, vague, indistinct, or confused:
a nebulous recollection of the meeting; a nebulous distinction between pride and conceit.
2.
cloudy or cloudlike.
3.
of or resembling a nebula or nebulae; nebular.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin nebulōsus full of mist, foggy, cloudy. See nebula, -ous
Related forms
nebulously, adverb
nebulousness, noun
nonnebulous, adjective
nonnebulously, adverb
nonnebulousness, noun
quasi-nebulous, adjective
quasi-nebulously, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for quasi-nebulous

nebulous

/ˈnɛbjʊləs/
adjective
1.
lacking definite form, shape, or content; vague or amorphous nebulous reasons
2.
of, characteristic of, or resembling a nebula
3.
(rare) misty or hazy
Derived Forms
nebulously, adverb
nebulousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for quasi-nebulous

nebulous

adj.

late 14c., "cloudy, misty," from Latin nebulosus "cloudy, misty, foggy, full of vapor," from nebula (see nebula). The figurative sense of "hazy, vague, formless" is first attested 1831. Astronomical sense is from 1670s. Related: Nebulously; nebulousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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14
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