nebulous

Cloudy, misty, or hazy.

Lacking definite form or limits; vague.

Of, relating to, or characteristic of a nebula.

Cloudy; hazy: used literally or figuratively.

In astronomy, pertaining to a nebula; having the appearance of a nebula; nebular.

Cloudy; hazy; misty.

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

In the form of a cloud or haze; hazy.

Vague or ill-defined.

Relating to a nebula or nebulae.