The term 'naive deal' typically refers to a transaction or agreement made without proper understanding or investigation. Some synonyms for the term may include an uninformed deal, an inexperienced deal, or an imprecise deal. Other synonyms may include an unsophisticated deal, an unsound deal, or a hasty deal. A deal made without proper research can also be referred to as a rash deal or a reckless deal. It's important to take the time to thoroughly investigate and understand a deal before agreeing to it, in order to avoid any negative consequences that may arise.