/ Dictionary / Index N nebulous: Meaning and Definition of Find definitions for: neb•u•lous Pronunciation: (neb'yu-lus), [key] — adj. hazy, vague, indistinct, or confused: a nebulous recollection of the meeting; a nebulous distinction between pride and conceit. cloudy or cloudlike. of or resembling a nebula or nebulae; nebular. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nebulous (Thesaurus) nebulosus n.e.c. Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language