'Nebulous' definitions:

Definition of 'nebulous'

From: WordNet
adjective
Lacking definite form or limits; "gropes among cloudy issues toward a feeble conclusion"- H.T.Moore; "nebulous distinction between pride and conceit" [syn: cloudy, nebulose, nebulous]
adjective
Of or relating to or resembling a nebula; "the nebular hypothesis of the origin of the solar system" [syn: nebular, nebulous]
adjective
Lacking definition or definite content; "nebulous reasons"; "unfixed as were her general notions of what men ought to be"- Jane Austen [syn: nebulous, unfixed]

Definition of 'Nebulous'

From: GCIDE
  • Nebulous \Neb"u*lous\, a. [L. nebulosus: cf. F. n['e]buleux. See Nebula.]
  • 1. Cloudy; hazy; misty. [1913 Webster]
  • 2. (Astron.) Of, pertaining to, or having the appearance of, a nebula; nebular; cloudlike. [1913 Webster] -- {Neb"u*lous*ly}, adv. -- {Neb"u*lous*ness}, n. [1913 Webster]