The word "fixated" means to be preoccupied or obsessed with something. Synonyms for this term include fixed, absorbed, concentrated, engrossed, captivated, mesmerized, fascinated, and infatuated. These words can be used to describe someone who is singularly focused and cannot be easily distracted from their object of obsession. The term is often used in psychology to describe a state of mind where someone becomes excessively preoccupied with an object or idea. Whether it's a fixation on a particular person, activity, or object, these synonyms all indicate a degree of intense interest and focus that is beyond the norm.