When it comes to investing, we all want to make smart choices that lead to positive returns. However, sometimes we can make the wrong decision and end up with a bad investment. There are several synonyms for the phrase "make a bad investment" including "lose money," "waste resources," "squander funds," and "throw away capital." All of these phrases imply that the investment did not yield positive returns and may have even resulted in a financial loss. To avoid making a bad investment, it's important to do your research, analyze market trends, and seek out advice from trusted financial professionals.