Pronunciation: (neb'yu-lus), [key]
1. hazy, vague, indistinct, or confused: a nebulous recollection of the meeting; a nebulous distinction between pride and conceit.
2. cloudy or cloudlike.
3. of or resembling a nebula or nebulae; nebular.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.