To be disoriented is to feel lost or confused. People who are disoriented either don’t know where they are because they’ve lost their sense of direction, or they don’t know who they are because they’ve lost their sense of self.
Disoriented people feel confused, particularly about place and purpose. If you’ve ever been lost in a new city, you’ve felt disoriented. If you bring a squirrel into your house, it’ll probably be disoriented and bonk into a wall. Getting a concussion could make you disoriented. Diseases like Alzheimer’s can make people feel disoriented. Being disoriented is a confusing, scary feeling. Disoriented comes from the French word that means "to turn from the east."