Harsh feelings refer to emotions that are negative and intense in nature. In times when we experience these emotions, we often look for synonyms to express ourselves better. Some synonyms for 'harsh feelings' are resentment, animosity, bitterness, acrimony, antipathy, aversion, detestation, dislike, hatred, loathing, repulsion, rage, and anger. Expressing your feelings with these words highlights the intensity of your emotions and the severity of the situation that caused them. Moreover, sharing your emotions with others opens up a safe space for communication, thereby strengthening relationships. Therefore, it is essential to have an arsenal of such words to accurately convey your emotions and help in their resolution.