Word.ws English Dictionary

milk thistle

milk thistle noun: any of the thistles in the genus Silybum, especially Silybum marianum.

milk thistle: any of the thistles in the genus Silybum, especially Silybum marianum
Image: SuperJew, CC BY-SA 3.0, via Wikimedia Commons

Noun

milk thistle (plural milk thistles)

  1. Any of the thistles in the genus Silybum, especially Silybum marianum.
    Synonyms:
    blessed milk thistle, holy thistle, variegated thistle
  2. Lactuca serriola, prickly lettuce
  3. Sonchus asper rough milk thistle
  4. Sonchus arvensis field milk thistle
  5. Sonchus oleraceus (common sow thistle)
  6. Sonchus wilmsii

Synonyms of milk thistle

  • blessed milk thistle
  • holy thistle
  • variegated thistle

Forms of milk thistle

pluralmilk thistles

Questions about milk thistle

What does milk thistle mean?
Milk thistle means any of the thistles in the genus Silybum, especially Silybum marianum.
What part of speech is milk thistle?
Milk thistle is a noun.
What is the plural of milk thistle?
The plural of milk thistle is milk thistles.

Words near milk thistle in the dictionary

  1. milk tea
  2. Milk Tea Alliance
  3. milk teas
  4. milk teeth
  5. milk the clock
  6. milk thistle
  7. milk thistles
  8. milk toast
  9. milk toasts
  10. milk token
  11. milk tokens

Source and license

Adapted from Wiktionary: milk thistle (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-milk thistle.wav.

Cite this entry: “milk thistle.” Word.ws, https://word.ws/milk_thistle. Based on Wiktionary, CC BY-SA 4.0.