The phrase "strain oneself" refers to exerting excessive physical or mental effort, and antonyms for this term include words that imply relaxation, ease, and comfort. Words such as unwind, relax, chill, and loosen up are some of the antonyms of strain oneself. Simplicity, calmness, and effortless could also be used in this context, which would be opposite to the state of putting a lot of pressure on oneself. Other antonyms for Strain oneself include ease up, de-stress, take it easy, and rest, among others. Using these antonyms could help individuals to better manage their workload and avoid burnout.