/ Dictionary / Index W WPPSI: Meaning and Definition of Find definitions for: WPPSI Pronunciation: (wip'sē), [key] — n. Wechsler Preschool and Primary Scale of Intelligence. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wpn w.r. 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