Cloudy; hazy; misty.

lacking definite form or limits; "gropes among cloudy issues toward a feeble conclusion"- H.T.Moore; "nebulous distinction between pride and conceit"

lacking definition or definite content; "nebulous reasons"; "unfixed as were her general notions of what men ought to be"- Jane Austen

Nebulous is a science fiction comedy that premiered on BBC Radio 4 and is produced independently by Baby Cow Productions. The series is written by Graham Duff and directed by Nicholas Briggs.

Of, pertaining to, or having the appearance of, a nebula; nebular; cloudlike.