Stingaree is the name of a type of stingray found off the coast of Australia. However, when used as a slang term, it can also refer to a con artist or fraudster. If you are looking for synonyms for stingaree in its slang context, you could use terms such as scam artist, swindler, or charlatan. Other potential synonyms include trickster, cheat, or deceiver. These words all convey the sense of someone who is trying to deceive others for personal gain. They may use clever tactics or charm to persuade people to part with their money or valuables.