The crossword solution for the term 'PECULIAR' STARTER is IDIO, which is a four letter word. The term 'idio' is derived from the Greek word 'idios', which means 'ONE's own'. It is used to describe something that is unique or unusual, and is often used to describe behavior that is considered strange or odd. Therefore, the crossword solution for the term 'PECULIAR' STARTER is IDIO, which is a fitting description for something that is peculiar.