/ Dictionary / Index I impala: Meaning and Definition of Find definitions for: im•pal•a Pronunciation: (im-pal'u, -pä'lu), [key] — pl. -pal•as, -pal•a. an African antelope, Aepyceros melampus, the male of which has ringed, lyre-shaped horns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: impala (Thesaurus) impaired impale Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language