Kibitzing is a Yiddish term that refers to offering unsolicited advice or commentary, especially during a game or activity. However, there are several synonyms that can be used in place of this word, including "backseat driving," "meddling," "butting in," "interfering," and "nosy." Each of these words conveys the idea of someone inserting themselves into a situation where they do not belong, often with the intention of providing advice or guidance that is not needed or wanted. Regardless of the specific word used, the underlying concept remains the same - kibitzing and its synonyms all describe an unwanted intrusion on someone else's activities or conversations.