The term "makes productive" implies the act of enhancing efficiency, output or profitability. Its antonyms, on the other hand, involve creating an opposite effect. Rather than making productive, the following words would describe hindrances or detrimental factors: hinders, impedes, obstructs, retards, stalls, undermines, derails, sabotages or counteracts. These words suggest the act of slowing down or stopping progress, and preventing achievement or success. In contrast to making productive, these antonyms can connote negative feelings, such as frustration, disappointment or failure. It is important to avoid these antonyms when trying to achieve success in any area of life.