/ Dictionary / Index H hyperpnea: Meaning and Definition of Find definitions for: hy•perp•ne•a Pronunciation: (hī"purp-nē'u, hī"pur-nē'u), [key] — n. Pathol. abnormally deep or rapid respiration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hyperpnea (Thesaurus) hyperploid hyperpolarize Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language