The answer to the crossword question “Crowning moment is APEX” is the word “apex“. In this context, the term “crowning moment” refers to the highest or most important point of something. In other words, it is the moment, event or point at which something reaches its peak or climax. The word “apex” means the highest point or top of something, so it is a perfect fit for this crossword clue. The word is often used in a variety of contexts, such as in reference to the top of a mountain or the highest point of an arch. Overall, the answer to this crossword question is a concise and accurate representation of the concept of a “crowning moment“.