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Definition of smartweed

smartweed

/ˈsmɑːrt.wiːd/
smart · weed
Plural:smartweeds
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smartweed Lexical Profile

smartweed Game Scores & Validity

• noun

1

Any of several herbaceous plants of the genus Persicaria (formerly included in Polygonum), widely distributed in damp or wetland habitats and noted for having swollen joints and peppery leaves that can cause a stinging sensation.

Example

"While exploring the marshlands, the botanist pointed out a vibrant patch of pink-flowered smartweed growing near the water's edge."

Synonyms
View all synonyms for smartweed

• Nearby Words

smalleye squaretail
smallmouth bass
smartphone
smartweed
smelt
smew
smilacina

Word Origin & Etymology

Formed from the English words 'smart' (in the sense of causing a stinging or burning sensation) and 'weed'. The plant was named for its acrid sap, which can irritate the skin or eyes.

Cite this Entry

Wordmom. (2026). Definition of Smartweed. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/smartweed
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