The term "subject state" refers to a state or nation that is subject to another more dominant state. It is often used in political contexts to describe a relationship of dependence or subordination. Synonyms for subject state include vassal state, colony, protectorate, satellite state, dependent territory, and client state. These terms all describe a political entity that is subordinate to a more powerful state, either through direct control or through a relationship of economic or military dependence. While the exact meanings of these terms may differ slightly, they all convey the idea of a state that is subject to the authority of another.