The definition of a tyrant is a cruel ruler or authority figure.
(noun)An example of a tyrant was Joseph Stalin.
See tyrant in Webster's New World College Dictionary
noun
Origin: ME tirant < OFr tiran, tirant (with -t after ending -ant of prp.) < L tyrannus < Gr tyrannos
See tyrant in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old French
Origin: , alteration of tyran
Origin: , from Latin tyrannus
Origin: , from Greek turannos
.Learn more about tyrant