The word pre-tension is often used to indicate a state of tension or stress that exists before a particular event takes place. Antonyms for this word might include relaxation, calmness, serenity, ease, or comfort. These words suggest a state of physical or emotional contentment that is free from any kind of tension or anxiety. Other antonyms for pre-tension could include disengagement, detachment, detachment, apathy or indifference. These words convey a sense of emotional or psychological distance from a particular event or situation. When we use antonyms for pre-tension, we are trying to convey a sense of emotional relief, relaxation or detachment from a particular experience or moment.