Share this entry

guarana Line breaks: gua|rana
Pronunciation: /ɡwəˈrɑːnə/

Definition of guarana in English:


1 [mass noun] A substance prepared from the seeds of a Brazilian shrub, used as a tonic or stimulant.
Example sentences
  • Plus, some herbal products billed as energy boosters or fat burners contain caffeine-rich herbs such as guarana or stimulants such as ephedra.
  • Energy-boosting drinks may contain Ma Huang or guarana; both act as a stimulant and may increase heart rate and blood pressure.
  • These products, available in health food stores or on the Internet, contain stimulants such as ephedra, caffeine, and guarana, with variable additions of common herbs or vitamins.
2The shrub that yields guarana.
  • Paullinia cupana, family Sapindaceae


Mid 19th century: from Tupi.

Definition of guarana in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day whippersnapper
Pronunciation: ˈwɪpəsnapə
a young, inexperienced person considered presumptuous or overconfident...