/ Dictionary / Index I impi: Meaning and Definition of Find definitions for: im•pi Pronunciation: (im'pē), [key] — pl. -pies, -pis. (in South African history) a unit of Zulu warriors; regiment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Imphal impiety Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language