/ Dictionary / Index N n.s.p.f.: Meaning and Definition of Find definitions for: n.s.p.f. Pronunciation: [key] not specifically provided for. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. N.S.P.C.C. NSU Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language