guarana
noun
gua·ra·na
ˌgwä-rə-ˈnä 
: a dried paste that is made from the seeds of a South American climbing shrub (Paullinia cupana) of the soapberry family, that contains caffeine and tannin, and that is used as a stimulant
also
: this plant
Examples of guarana in a Sentence
Recent Examples on the Web
Coffee and cacao beans, tea leaves, guarana berries and kola nuts are all natural sources of this drug, but it can also be made in the lab and added to foods, drinks and medicines.
—
Dr. Mark Corkins, Boston Herald, 14 Sep. 2025
The formula is enriched with nourishing coconut oil and guarana for hydration and a tightening effect.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 19 Aug. 2025
The juicy blend of guarana and cupuacu butter smells like a vacation in a tub, perfect for after-sun care or layering your fragrance during the summer.
—Simon Hill, Wired News, 11 July 2025
Plus, the compounds in guarana have been shown to possibly slow the growth of cancer cells, help manage cholesterol levels, provide pain relief, and contribute to antiaging effects.
—Christina Pérez, Vogue, 27 May 2025
See All Example Sentences for guarana
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Dr. Mark Corkins, Boston Herald, 14 Sep. 2025
The formula is enriched with nourishing coconut oil and guarana for hydration and a tightening effect.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 19 Aug. 2025
The juicy blend of guarana and cupuacu butter smells like a vacation in a tub, perfect for after-sun care or layering your fragrance during the summer.
—Simon Hill, Wired News, 11 July 2025
Plus, the compounds in guarana have been shown to possibly slow the growth of cancer cells, help manage cholesterol levels, provide pain relief, and contribute to antiaging effects.
—Christina Pérez, Vogue, 27 May 2025
See All Example Sentences for guarana
Cite this Entry
“Guarana.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guarana. Accessed 30 Oct. 2025.
Copy CitationMedical Definition
guarana
noun
gua·ra·na
ˌgwär-ə-ˈnä
: a dried paste made from the seeds of a Brazilian climbing shrub (Paullinia cupana) containing tannin and caffeine and used in making an astringent drink
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