fool's parsley

noun

Aethusa cynapium, an annual umbelliferous plant that resembles parsley but is poisonous.

Similar
fool's cicelypoison parsleylesser hemlockAethusa cynapium
First used 18th c.

Meanings

nounfool's parsley (uncountable)
  1. uncountableAethusa cynapium, an annual umbelliferous plant that resembles parsley but is poisonous.First known use 18th c.

    The sun shone brightly on little showers of buttercup down the bank, in the fields the fools-parsley was foamy, held very high and proud above a number of flowers that flitted in the greenish twilight of the mowing-grass below.

    1915, D. H. Lawrence, The Rainbow, Vintage, published 2011, page 101

    Synonyms: fool's cicely, poison parsley

Synonyms & antonyms

nounAethusa cynapium, an annual umbelliferous plant that resembles parsley but is poisonous.

More synonyms by meaning

nounEuropean weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten

Similar
lesser hemlockAethusa cynapium
Broader
poisonous plant

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Catalan etusa, julivert bord
  • etusaTranslations
  • julivert bordTranslations
  • julivert de muntanyaTranslations
  • julivertassaTranslations
French petite ciguë
  • petite ciguëTranslations
German Hundspetersilie
  • HundspetersilieTranslations
Hungarian mérges ádáz
  • mérges ádázTranslations
Polish blekot
  • blekotTranslations
Welsh geuberllys
  • geuberllysTranslations
Cite this entry
APA

fool's parsley. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fool's%20parsley

MLA

“fool's parsley.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fool's%20parsley. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “fool's parsley,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fool's%20parsley.

Source: fool's parsley on Wiktionary, CC BY-SA 4.0.