There are many synonyms for the phrase "preyed on one mind." Some alternatives might include "haunted," "tormented," "obsessed," "plagued," "consumed," "troubled," or "preoccupied." Each of these suggests a persistent and intrusive influence that weighs heavily on the mind, creating a sense of unease, anxiety, or even despair. Whether it is an external force or an internal struggle, the act of being preyed on by one's own thoughts can be deeply challenging and difficult to overcome. However, recognizing the problem and seeking help can be the first step toward regaining control.