Search Dictionary
Definition of star thistle

star thistle

Plural:star thistles
JUMP TO:

• noun

1

Any of several herbaceous Eurasian plants of the genus Centaurea (family Asteraceae), notable for bearing yellow or purple composite flower heads surrounded by stiff, radiating, star-like spiny bracts, several species of which are invasive weeds in North America.

Example

"The dry hillside was overgrown with yellow star thistle, whose sharp floral spines made walking through the pasture difficult."

Synonyms
View all synonyms for star thistle

• Nearby Words

star fruit
star jasmine
star of bethlehem
star thistle
star tortoise
starch
starfish

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Star thistle. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/star%20thistle
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.