The word "trans-fixed" means to be in a state of complete absorption or focus on something. The opposite or antonym for this word would be "distracted" or "uninterested". When someone is distracted, they are unable to give their full attention or focus to something, while being uninterested means having no desire or curiosity towards something. Other possible antonyms include "bored", "disengaged", "aloof", and "indifferent". It's important to have a variety of words to describe different levels of attention and engagement, as they can be used to communicate more effectively in various situations.