Is it ensure, insure, or assure?


[gwahr-uh-nah, gwahr-uh-nah] /ˌgwɑr əˈnɑ, ˈgwɑr əˌnɑ/
a woody, climbing shrub Paullinia cupana, of the soapberry family, growing in parts of South America, having seeds that contain caffeine and are used in soft drinks.
a drink containing extract of guarana seed.
1860-65; (< Portuguese) < Tupi Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for guarana
  • guarana, in particular, can substantially increase the total caffeine in an energy drink.
  • Allow me to translate: the caffeine, guarana and taurine make it so that you're less aware you're drunk, so you get more drunk.
Encyclopedia Article for guarana

(Paullinia cupana), woody, climbing plant, of the soapberry family (Sapindaceae), native to the Amazon Basin. It has a smooth, erect stem; large leaves with five oblong-oval leaflets; clusters of short-stalked flowers; and fruit about the size of a grape and usually containing one seed shaped like a tiny horse chestnut.

Learn more about guarana with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for guarana

Few English speakers likely know this word

Word Value for guarana

Scrabble Words With Friends