Shady dealings can be defined as deceitful or fraudulent activities. However, there are many synonyms for this term that can be used in different contexts. Some of the most common synonyms for shady dealings include dubious transactions, underhanded dealings, illegitimate practices, dishonest transactions, fraudulent activities, and suspect deals. Other synonyms for this term include questionable actions, shady business, nefarious dealings, suspicious activities, and unethical conduct. These synonyms can be used interchangeably to describe any activity that is considered to be shady or deceptive. Whether you are writing a legal document, a news article, or a personal blog post, it is important to choose the right synonym for the situation to convey the appropriate level of gravity.