/
ˈnɛbjʊləs/
adj.
- in the form of a cloud or haze; hazy.
- (of a concept or idea) vague or ill-defined.
- Astronomy relating to a nebula or nebulae.
Derivative
- nebulosity n.
- nebulously adv.
- nebulousness n.
Etymology
ME (in the sense ‘cloudy’): from Fr. nébuleux or L. nebulosus, from nebula ‘mist’.