Underexpose is a term that refers to a photographic situation where the image appears too dark, lacking in detail or in need of brightness. Some synonyms for underexposure are underdeveloped, underexposure, underexposed, insufficiently exposed, underlit, darkened, dimmed, and shadowed. These words are used to describe an image that is a result of not enough light hitting the camera's sensor, resulting in a dark image. To avoid underexposure, one can adjust the camera settings like shutter speed, aperture, or ISO to allow more light into the camera. When taking photographs, it is essential to recognize the lighting and adjust accordingly to avoid underexposure.