gua·​ra·​na ˌgwä-rə-ˈnä How to pronounce guarana (audio)
: 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 The drink includes multiple sources of caffeine, including coffee and guarana extracts, and a high amount of sugar. Justine McDaniel, Washington Post, 18 Jan. 2024 The formula is enriched with guarana and hydrating cupuacu butter. Claire Rutter, Rolling Stone, 25 Oct. 2023 Natural sources of caffeine like green tea extract or guarana tend to be better tolerated by many individuals compared to synthetic alternatives. Amber Smith, Discover Magazine, 9 Aug. 2023 Caffeine-rich guarana can help to visibly buff and tighten skin while the cupuaçu butter delivers deep, penetrating hydration. Jaimie Potters, ELLE, 11 July 2023 Energy drinks have high amounts of caffeine and some contain guarana, both of which are stimulants. Sarah Cottrell, Parents, 11 July 2023 Here are some ways pre-workout supplements with testosterone boosting ingredients can potentially help: Increased energy and motivation: Many pre-workout supplements contain stimulants like caffeine or guarana, which can provide a temporary energy boost and improve focus. Amber Smith, Discover Magazine, 25 June 2023 The ingredients in most nootropics include vitamins B6, B12, and C; amino acids such as taurine, l-tyrosine, and l-theanine; and herbs such as guarana and caffeine. Amber Smith, Discover Magazine, 23 Mar. 2022 Most energy drinks contain some combination of caffeine, sugar, amino acids, vitamins, and herbal supplements such as guarana or ginseng. Amber Smith, Discover Magazine, 30 Oct. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'guarana.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Portuguese guaraná, from Nhengatu (Tupi-based lingua franca of Amazonia), from Sateré-Mawé (Tupian language of the middle Amazon River basin) warana

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of guarana was in 1838

Dictionary Entries Near guarana

Cite this Entry

“Guarana.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2024.

Medical Definition


gua·​ra·​na ˌgwär-ə-ˈnä How to pronounce guarana (audio)
: 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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