Wheeler-dealer is a term that describes a person who is involved in making profitable deals, trading or bargaining. Some antonyms for this term would be unambitious, unenterprising, inactive and unproductive. These words reflect the opposite qualities of a person who lacks the motivation or willingness to pursue a business deal. Other antonyms for wheeler-dealer could be straightforward, honest, truthful or straightforward. These words imply a person who is unwilling to engage in unethical or fraudulent business transactions, but instead chooses to be honest and upfront in their dealings with others. Overall, the antonyms for wheeler-dealer describe the qualities of a person who is focused on ethical, honest and straightforward business practices.