Final answer:
The word 'pinnacle' is a noun that refers to the highest point or peak of something, and synonyms for it include 'summit,' 'peak,' 'apex,' and 'top.'
Step-by-step explanation:
The word 'pinnacle' is a noun that refers to the highest point or peak of something. Synonyms for the word 'pinnacle' include 'summit,' 'peak,' 'apex,' and 'top.' These words all convey the idea of something being at the highest or most important position. For example, you could say 'Mount Everest is the pinnacle of mountain climbing' or 'He reached the pinnacle of his career when he won the Nobel Prize.'
Learn more about Synonyms for the word 'pinnacle' in English