/ Dictionary / Index L loperamide: Meaning and Definition of Find definitions for: lo•per•a•mide Pronunciation: (lō-per'u-mīd"), [key] — n. Pharm. a substance, CHClNO, used in the treatment of diarrhea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. loper López Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language