One, such as a monarch or dictator, that rules or governs.(noun)
A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths. Also called rule.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ruler" in a sentence
"One more thing, “our rulers” are not prophets, and they are not iconicnal characters cannonized beyond mistakes, being a ruler is a high ranked government job."
"Tyranny - a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)"
"Thrax is the 66th Imprator and the ninth ruler from the Lahaxan bloodline to ascend to the Great Throne."