Satellite states are defined as countries that are politically and economically dependent on another country. These countries are often viewed as subordinate or secondary to the controlling country. There are several synonyms to describe satellite states, including client states, puppet states, vassal states, and dependent states. Client states are those that are economically or militarily supported by another state. Puppet states are those that are fully controlled by a foreign power. Vassal states are those whose rulers owe allegiance to a dominant monarch. Dependent states are countries that rely on another for their survival. In conclusion, the synonyms for satellite states highlight the various forms of control and dependence that exist in international politics.