Insider dealings refer to transactions that occur within a company or organization by individuals with privileged information. There are several synonyms for this term that can be used interchangeably. One such synonym is 'insider trading,' which is the act of buying or selling securities based on non-public information. Another synonym is 'insider transactions,' which includes any financial transactions that are carried out by insiders. 'Illegal insider trading' is another synonym used to describe insider dealings that are deemed unlawful. 'Insider deals' and 'insider activity' are less formal alternatives that can be used to refer to such transactions. Regardless of the synonym used, insider dealings are a serious issue that can result in significant legal and ethical consequences.