Antonyms for the word "rearranging" would include "leaving as is", "maintaining the order", "neglecting", "ignoring", "disorganizing", "ruining", "disrupting", "deconstructing", "breaking down", or simply "not rearranging". These words describe the opposite action of rearranging, which involves changing the placement or order of something. While rearranging can improve efficiency or appearance, sometimes it is better to leave things as they are or to intentionally disrupt the current order. Ultimately, the opposite of rearranging depends on the context and desired outcome.