adjective neb·u·lous \ˈne-byə-ləs\

: not clear : difficult to see, understand, describe, etc.

Full Definition of NEBULOUS

:  of, relating to, or resembling a nebula :  nebular
neb·u·lous·ly adverb
neb·u·lous·ness noun

Examples of NEBULOUS

  1. These philosophical concepts can be nebulous.
  2. <made nebulous references to some major changes the future may hold>

Origin of NEBULOUS

Latin nebulosus misty, from nebula
First Known Use: 1674

Other Astronomy Terms

gibbous, nadir, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith
NEBULOUSLY Defined for Kids


adjective neb·u·lous \ˈne-byə-ləs\

Definition of NEBULOUS for Kids

:  not clear :  vague


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