Low-ceilinged indicates that the ceiling of a room or building is not very high. There are several synonyms for this word, which can be used depending on the context and the situation to indicate the same meaning. These synonyms include cramped, confined, low-hung, short-height, restricted, and shallow. These words can be used to describe a space that lacks height, such as a basement, a garage, or a room with a low roof. They can also be used to indicate a sense of discomfort or claustrophobia, where the low ceiling feels oppressive or restrictive. In essence, any term that conveys the idea of limited overhead space can be used as a synonym for "low-ceilinged".