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Definition of eupatorium
eupatorium
/ˌjuːpəˈtɔːriəm/
eu · pa · to · ri · um
Plural:eupatoriums
eupatorium Lexical Profile
CEFR
C2
Grade
13
Tier
3
Usage
Rare
Syllables
5
eupatorium Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any perennial herbaceous flowering plant or shrub of the genus Eupatorium (or related genera in the daisy family Asteraceae), native to temperate and subtropical regions and cultivated for its dense, flat-topped clusters of small, fluffy white, pink, or purple blossoms (including boneset, thoroughwort, and Joe-Pye weed).
Synonyms
View all synonyms for eupatorium• Rhymes for eupatorium
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Word Origin & Etymology
Borrowed from Late Latin eupatorium and Ancient Greek eupatorion, named in honor of Mithridates VI Eupator, the ancient king of Pontus who was renowned for his knowledge of herbal remedies and antidotes.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Eupatorium. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/eupatorium