Misusing refers to the wrong or inappropriate use of something. The antonyms for the word 'misusing' include using appropriately, using correctly, using properly, using rightly, and using suitably. When we use something appropriately, we are making use of it in the right manner, as intended. Using correctly means using something in the way that is correct or accurate. Using properly suggests that we are acting in a manner that is considered correct or accepted as the norm. Using rightly indicates that we are using something in a way that is morally right or justifiable. Using suitably means meeting the requirements of suitability or appropriateness. Overall, the antonyms for misusing highlight the importance of using things in the right way.