/ Dictionary / Index N non-pros: Meaning and Definition of Find definitions for: non-pros Pronunciation: (non"pros'), [key] — -prossed, -pros•sing. to adjudge (a plaintiff&hasp;) in default. non pros. Pronunciation: [key] non prosequitur. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: non-pros (Thesaurus) nonproliferation non prosequitur Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language