Focus on the pronunciation of king
English definition of “king”
/kɪŋ/ noun [C]
› a person, company, or organization that is thought to be the best or most successful: It is widely considered to be king of the supermarket chains.
sb/sth is king › used to say that someone or something is the most important part of something or has the most influence: In mergers and acquisitions, cash is king. They all followed the principle that the customer is king. Media executives are fond of saying that content is king.