/ Dictionary / Index N neuropeptide: Meaning and Definition of Find definitions for: neu•ro•pep•tide Pronunciation: (noor"ō-pep'tīd, nyoor"-), [key] — n. any of various short-chain peptides, as endorphins, that function as neuromodulators in the nervous system and as hormones in the endocrine system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. neuropathy neuropharmacology Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language