Relapse is a term that refers to a return to an undesirable or destructive behavior after a period of improvement or recovery. Therefore, antonyms for this word would be words that describe the opposite of relapsing or a state of continued improvement. Some antonyms for relapse include recovery, rehabilitation, progression, improvement, and advancement. Other antonyms that are commonly used include growth, healing, healing process, and recuperation. These words are frequently employed in the healthcare industry, especially when treating patients with addiction or other chronic conditions. By using antonyms for relapse, medical professionals can encourage and motivate their patients to continue improving and striving for a better quality of life.