Distracter is a word used to describe something that diverts attention or causes interruption. There are several synonyms to it, such as disturbance, interruption, obstacle, hindrance, interference, and obstruction. Each of these words has a slightly different meaning with respect to how they can distract a person. For instance, a disturbance could be a loud noise that interrupts or distracts a person, while an obstacle could be a physical object that obstructs one's path and causes a distraction. Similarly, interference refers to external factors that cause a person to lose focus, and hindrance relates to an internal or external barrier that prevents a person from concentrating. Overall, these synonyms of distracter provide a range of concepts that can impact one's ability to stay focused and attentive.