Insider dealing is a term used to describe when someone uses confidential information to gain an unfair advantage in the stock market. Synonyms for insider dealing include insider trading, insider abuse, illegal trading, and insider manipulation. Insider trading can also refer to the act of buying or selling securities based on information that is not available to the general public. It is considered a form of securities fraud and is illegal in many countries. Other synonyms for insider dealing include insider trade abuse, insider dealing scandal, insider information abuse, and insider stock manipulation. It is important to understand the legal and ethical implications of insider dealing and to always act in a fair and transparent manner in the stock market.