1. Cloudy; hazy; misty.
2. Astron. Of, pertaining to, or having the appearance of, a nebula; nebular; cloudlike.
-- Neb*u*lous*ly, adv. -- Neb*u*lous*ness, n.
adj 1: lacking definite form or limits; "gropes among cloudy issues
toward a feeble conclusion"- H.T.Moore; "nebulous
distinction between pride and conceit" [syn: cloudy,
2: lacking definition or definite content; "nebulous reasons";
"unfixed as were her general notions of what men ought to
be"- Jane Austen [syn: unfixed]