/ Dictionary / Index A anticholinergic: Meaning and Definition of Find definitions for: an•ti•cho•lin•er•gic Pronunciation: (an"ti-kō"lu-nûr'jik, -kol"u-), [key] — Biochem., Pharm. Biochem.,Pharm. —adj. of or pertaining to a substance that opposes the effects of acetylcholine; interfering with the passage of parasympathetic nerve impulses. Cf. —n. an anticholinergic substance, as a drug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anticholinergic (Thesaurus) antichoice anticholinesterase Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language