As an adjective:
* The premier league in England is considered the most competitive in the world. (meaning "most important" or "highest ranking")
* The premier chef of the restaurant created a new menu with exquisite dishes. (meaning "leading" or "most distinguished")
* The premier film festival showcased the best works of emerging filmmakers. (meaning "leading" or "most prestigious")
As a noun:
* The prime minister is the premier of the country. (meaning "head of government" in some countries)
* The premier of the play was a resounding success. (meaning "first public performance")
In different contexts:
* The company held a premier event to launch its new product. (meaning "first showing" or "debut")
* The premier of the opera was eagerly anticipated by music lovers. (meaning "first performance" or "debut")
* He was the premier athlete in his sport, winning numerous championships. (meaning "leading" or "most successful")
Remember that "premier" is often used in a formal context, but can also be used in a more casual setting. It's important to consider the context and choose the appropriate meaning of the word.