Last Updated
：2025/11/21
ragweed
（ plural ）
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A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen which people with hay fever are allergic to.
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ragweed
Ragweed pollen made my allergies so severe last September that I had to stay indoors for weeks.
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Ragweed pollen made my allergies so severe last September that I had to stay indoors for weeks.
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