The phrase "hedge in" can mean to confine or restrict someone or something, or to surround or barricade an area. Some synonyms for this phrase include enclose, contain, trap, box in, fence off, block off, impede, obstruct, and limit. These words all convey the idea of placing a barrier around something, limiting its ability to move or expand. Other related terms might include restrict, restrain, regulate, or control, all of which suggest putting limits on something's activities or behaviors. When we "hedge in" someone or something, we are typically trying to exert a degree of control or influence over the situation, which may have positive or negative consequences depending on the context.