/ Dictionary / Index F fool's-parsley: Meaning and Definition of Find definitions for: fool's-pars•ley Pronunciation: (flz'pärs"lē), [key] — n. an Old World fetid, poisonous plant, Aethusa cynapium, resembling parsley. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fool's-parsley (Thesaurus) fool's paradise foot Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language