Monocrats are individuals who hold complete political power or authority. There are many synonyms that can be used to describe individuals with this level of power. One such synonym is autocrat, which refers to someone who has sole control over a political system or government. Another word that can be used is despot, which generally refers to a ruler who exercises arbitrary power and is immune to the law. Tyrant is also a synonym that is often used to describe individuals who hold significant amounts of power and control. Lastly, a dictator can also be used as a synonym for monocrats, as it refers to someone who rules with an iron fist and has supreme control over a country or government.