Rivella is a Swiss drink that has been popular for over 60 years. It is a refreshing, non-alcoholic beverage that has a unique taste that is hard to describe. Some people describe Rivella as having a slight fruit flavor, while others say it is slightly sour. Some synonyms for Rivella include: soda, soft drink, carbonated beverage, flavored drink, and effervescent drink. While these words may not perfectly describe the taste of Rivella, they are all commonly used to describe similar types of drinks. Whether you are looking for a refreshing drink on a hot summer day or just want to try something new, Rivella is definitely worth a try!