Misapplying generally means to use something in a wrong or incorrect manner. The antonyms of this word are: correctly applying, rightly applying, appropriately using or using properly. To correctly apply means that something is used in the way that it was intended to be used or as it was meant to be used, whereas misapplying means using something in the wrong or incorrect manner. Therefore, it is important to understand the correct usage of something before using it, to avoid misapplication. Properly using something ensures that you are getting the most out of it and that it is performing the task it was designed for.