"Hooray" is an exclamation used to express joy, excitement, or approval. It is often shouted or said in a cheerful tone during celebrations, such as birthdays, graduations, or sports victories. The word can also be used in written form to convey enthusiasm in messages or social media posts. The origin of "hooray" can be traced back to the 19th century, and it is commonly associated with cheering crowds. Similar expressions include "hurrah" and "hooray," which serve the same purpose in various cultures. People often use "hooray" to uplift spirits and create a sense of community during happy occasions.