Supremacy is domination or superiority or in control of all others.
An example of supremacy is when there is a ruling class of people which is better than all other classes and which holds all the power.
- the quality or state of being supreme
- supreme power or authority
Origin of supremacy; from supreme + -acy
- The quality or condition of being supreme.
- Supreme power or authority.
(usually uncountable, plural supremacies)