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
On the other hand, none of the ragweed, black mustard, spotted spurge, arborvitae, corncockle, rye brome, American burnweed, or broadleaf plantain seeds sprouted.
—
Kate Golembiewski, Discover Magazine, 5 Apr. 2024
There are tablets now for grass, ragweed and dust mites, but if trees are the culprit, allergy shots are the only way to go.
—Brenda Goodman, CNN, 4 Apr. 2024
Accuweather rated Monday’s air quality as fair, with low levels of tree, ragweed and grass pollen but high levels of mold and dust and dander.
—Ron Hurtibise, Sun Sentinel, 1 Jan. 2024
Individuals with a ragweed allergy can have a reaction when eating cucumber.12
You could be potentially exposed to Salmonella—a germ that can cause food poisoning—if cucumbers are treated with certain wax coatings.
—Cynthia Sass, Mph, Rd, Health, 18 Nov. 2023
Pet dander, dust, ragweed, grass, and pollen can trigger your eyes to have an allergic reaction.
—Sarah Bradley, Verywell Health, 30 Oct. 2023
Autumn, with its emergence of cold, dry air and proliferation of ragweed and other allergens, is peak eyedrop season, experts say.
—Erika Edwards, NBC News, 1 Nov. 2023
Fall respiratory season Seasonal allergies have also arrived earlier than usual this fall, due to warmer temperatures that have caused ragweed to bloom sooner, said Dr. Shane Fernando.
—Noor Adatia, Dallas News, 13 Sep. 2023
Once Daily Relief targets itchy eyes and other allergic symptoms caused by grass, pollen, ragweed, and animals, like Bausch + Lomb Alaway Antihistamine Eye Drops.
—Sarah Bradley, Verywell Health, 30 Oct. 2023
Kate Golembiewski, Discover Magazine, 5 Apr. 2024
There are tablets now for grass, ragweed and dust mites, but if trees are the culprit, allergy shots are the only way to go.
—Brenda Goodman, CNN, 4 Apr. 2024
Accuweather rated Monday’s air quality as fair, with low levels of tree, ragweed and grass pollen but high levels of mold and dust and dander.
—Ron Hurtibise, Sun Sentinel, 1 Jan. 2024
Individuals with a ragweed allergy can have a reaction when eating cucumber.12
You could be potentially exposed to Salmonella—a germ that can cause food poisoning—if cucumbers are treated with certain wax coatings.
—Cynthia Sass, Mph, Rd, Health, 18 Nov. 2023
Pet dander, dust, ragweed, grass, and pollen can trigger your eyes to have an allergic reaction.
—Sarah Bradley, Verywell Health, 30 Oct. 2023
Autumn, with its emergence of cold, dry air and proliferation of ragweed and other allergens, is peak eyedrop season, experts say.
—Erika Edwards, NBC News, 1 Nov. 2023
Fall respiratory season Seasonal allergies have also arrived earlier than usual this fall, due to warmer temperatures that have caused ragweed to bloom sooner, said Dr. Shane Fernando.
—Noor Adatia, Dallas News, 13 Sep. 2023
Once Daily Relief targets itchy eyes and other allergic symptoms caused by grass, pollen, ragweed, and animals, like Bausch + Lomb Alaway Antihistamine Eye Drops.
—Sarah Bradley, Verywell Health, 30 Oct. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ragweed.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Ragweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ragweed. Accessed 25 Apr. 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
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