: any of a genus (Helianthus, especially H. annuus) of New World composite plants with large yellow-rayed flower heads bearing edible seeds that yield an edible oil

Examples of sunflower in a Sentence

Recent Examples on the Web
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Interestingly, sales of sunflower butter go up 18%; Instacart speculates that this happens because most schools have a nut-free policy. Parents, 7 Aug. 2026 There are pickle card games, hair clips, socks, air fresheners, and tote bags; marshmallows, sunflower seeds, cotton candy, and lollipops. Jenna Sims, Southern Living, 5 Aug. 2026 Companion planting with flowering plants, like yarrow, zinnias, and sunflowers, attracts beneficial insects that naturally control pests. Lauren Landers, The Spruce, 4 Aug. 2026 Keep sunflowers out of sunlight; change water every 2-3 days, and trim stems regularly. Sheryl Geerts, Better Homes & Gardens, 3 Aug. 2026 See All Example Sentences for sunflower

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of sunflower was in 1597

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Cite this Entry

“Sunflower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunflower. Accessed 11 Aug. 2026.

Kids Definition

sunflower

noun
: any of a genus of tall herbs that are often grown for their large showy flower heads with yellow ray flowers and for their oil-rich seeds

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