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Definition of ageratum
ageratum
/ˌædʒ.əˈreɪ.təm/
ag · er · a · tum
Plural:ageratums
ageratum Lexical Profile
CEFR
C1
Grade
10
Tier
3
Usage
Rare
• noun
1
Any plant of the genus Ageratum in the daisy family (Asteraceae), native primarily to tropical and warm temperate regions of the Americas, characterized by clusters of small, fluffy, typically blue, pink, or white flowers and widely cultivated as a garden bedding plant.
Example
"The horticulturist planted a dense border of blue ageratum to provide vibrant, continuous color along the edge of the summer flowerbed."
Synonyms
View all synonyms for ageratum• Rhymes for ageratum
Word Origin & Etymology
From Modern Latin, derived from the Greek word 'agēraton' (meaning 'ageless' or 'not growing old'), formed from 'a-' (not) and 'gēras' (old age). It refers to the exceptionally long-lasting color and life of the cut flowers.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Ageratum. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/ageratum