/ Dictionary / Index N nebulose: Meaning and Definition of Find definitions for: neb•u•lose Pronunciation: (neb'yu-lus, -lōs"), [key] — adj. cloudlike; nebulous. hazy or indistinct; nebulous. having cloudlike markings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nebulose (Thesaurus) nebulize nebulosity Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language