noun |
adj |
verb |
adv |
(adj) unfixed
lacking definition or definite content
nebulous reasons; unfixed as were her general notions of what men ought to be- Jane Austen
lacking definite form or limits
gropes among cloudy issues toward a feeble conclusion- H.T.Moore; nebulous distinction between pride and conceit
(adj) nebular
of or relating to or resembling a nebula
the nebular hypothesis of the origin of the solar system