The phrase "wracked up" refers to a state of being overwhelmed or burdened. Antonyms for this expression could be "lightened", "freed", "unencumbered", "unburdened", or "relieved". These words suggest a sense of liberation, of shedding weight or burdens that were previously weighing one down. They convey a feeling of release and freedom, and suggest that one's burdens and pressures have been lifted. In contrast to the negative connotations of "wracked up", the antonyms convey a sense of positivity and liberation that can help people to overcome their challenges and move forward with a lighter heart and an uplifted spirit.