Nebulous a. : Cloudy; hazy; misty.

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

Example:
What does Nebulous Mean in this Sentence?

Taxonomy
Nebulous, 2007-03-18, season 1, Graham Duff, BBC Radio 4, Doctor Who, Professor, Earth, free encyclopedia, Nicholas Briggs, eco, troubleshooting, Doomwatch, broadcast, 2007-03-21, Graham Crowden, Mark Gatiss, guest appearances.

Defination from the web:
Nebulous is a post apocalyptic science fiction comedy radio show written by Graham Duff and produced by Ted Dowd from Baby Cow Productions; it is ... Religion also exists in the Nebulous universe. ...