Bathophobia is an extreme fear of falling from heights or tall structures. This is a phobia that can have a significant impact on a person's life, making them avoid heights and causing panic attacks in some cases. There are several synonyms for bathophobia, including acrophobia, height phobia, and vertigo. Acrophobia is the most common synonym for bathophobia, and it refers to the fear of heights in general. Height phobia is another synonym, and it's used to describe the fear of being high up or in tall buildings. Vertigo is also a synonym for bathophobia, and it refers to the sensation of dizziness and disorientation often experienced when looking down from tall heights.