Illustration of ragweed
: any of various chiefly North American weedy composite herbs (genus Ambrosia) that produce highly allergenic pollen
Examples of ragweed in a Sentence
Recent Examples on the Web
People in Boston escaped ragweed seasons at the Bretton Woods resort in New Hampshire while those in other cities had similar escapes.
—
Discover Magazine, 15 Oct. 2024
These include ragweed, certain types of perfume, nail lacquer vapor, and insecticide spray.
—Mark Gurarie, Verywell Health, 30 Oct. 2024
People with oral allergy syndrome (OAS) may develop a strawberry tongue after eating raw fruits or vegetables pollinated by grasses, birch trees, or ragweed.
—Lindsay Curtis, Health, 24 Oct. 2024
Unlike tree pollen, which usually causes allergies in the springtime, ragweed pollen is a huge trigger that causes fall allergies.
—Dominique Fluker, Essence, 22 Oct. 2024
See all Example Sentences for ragweed 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Discover Magazine, 15 Oct. 2024
These include ragweed, certain types of perfume, nail lacquer vapor, and insecticide spray.
—Mark Gurarie, Verywell Health, 30 Oct. 2024
People with oral allergy syndrome (OAS) may develop a strawberry tongue after eating raw fruits or vegetables pollinated by grasses, birch trees, or ragweed.
—Lindsay Curtis, Health, 24 Oct. 2024
Unlike tree pollen, which usually causes allergies in the springtime, ragweed pollen is a huge trigger that causes fall allergies.
—Dominique Fluker, Essence, 22 Oct. 2024
See all Example Sentences for ragweed
Dictionary Entries Near ragweed
Cite this Entry
“Ragweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ragweed. Accessed 28 Nov. 2024.
Copy CitationKids Definition
ragweed
noun
rag·weed
ˈrag-ˌwēd 
: any of various chiefly North American weedy herbs related to the daisies and producing pollen irritating to the eyes and noses of some persons
Medical Definition
ragweed
noun
rag·weed
ˈrag-ˌwēd
: any of various chiefly North American weedy herbaceous plants comprising the genus Ambrosia and producing highly allergenic pollen responsible for much hay fever and asthma: as
a
: an annual weed (A. artemisiifolia) with finely divided foliage that is common on open or cultivated ground in much of North America
b
: a coarse annual (A. trifida) with some or all of the leaves usually deeply and palmately 3-cleft or 5-cleft
called also great ragweed
Love words? Need even more definitions?
Merriam-Webster unabridged
Share