down·side 
/ˈdaʊnˌsaɪd/ noun
plural down·sides /ˈdaʊnˌsaɪd/ noun [count] : a part of something that you do not want or like : a drawback or disadvantage
▪ He could find no downside to the car. ▪ On the downside [=when you consider the disadvantages], the car does not have much trunk space. — often + of ▪ The downside of the camera is that the batteries have to be replaced often. — opposite upside
▪ He could find no downside to the car. ▪ On the downside [=when you consider the disadvantages], the car does not have much trunk space. — often + of ▪ The downside of the camera is that the batteries have to be replaced often. — opposite upside
