/ Dictionary / Index N nullius filius*: Meaning and Definition of Find definitions for: nul•li•us fi•li•us Pronunciation: (nl'lē-oos" fē'lē-oos" Eng. nul'ē-&schwas fē'lē-&schwas), [key] — Latin. Latin. (esp. in law) son of nobody; bastard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nullity nullius juris* 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