- The definition of world class is something that is the best of the best, of the highest class internationally.
An example of world class is a delicious meal you ate at one of the most respected and loved of all restaurants.
Used by arrangement with John Wiley & Sons, Inc.
- Ranking among the foremost in the world; of an international standard of excellence; of the highest order: a world-class figure skater.
- Great, as in importance, concern, or notoriety.