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Synonyms

ruler

American  
[roo-ler] / ˈru lər /

noun

  1. a person who rules or governs; sovereign.

  2. Also a strip of wood, metal, or other material having a straight edge and usually marked off in inches or centimeters, used for drawing lines, measuring, etc.

  3. a person or thing that rules paper, wood, etc.

  4. Astrology. the planet primarily associated with any sign of the zodiac or any house of the horoscope.

    The ruler of Aries is Mars. The ruler of Taurus is Venus.


ruler British  
/ ˈruːlə /

noun

  1. a person who rules or commands

  2. Also called: rule.  a strip of wood, metal, or other material, having straight edges graduated usually in millimetres or inches, used for measuring and drawing straight lines

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • subruler noun
  • underruler noun

Etymology

Origin of ruler

Middle English word dating back to 1325–75; rule, -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Now, Saudi Arabia’s de facto ruler, Crown Prince Mohammed bin Salman, is nearly a decade into an ambitious modernizing project.

From The Wall Street Journal

Instead, they saw a “hopeful and enthusiastic working-class,” enjoying freedom from the “tyranny and incompetence of their former rulers” and “setting an example of industry and conduct” for all to emulate.

From The Wall Street Journal

He challenged students to calculate tax rates for income, sales and other categories as ruler of the fictional country Scarletonia.

From The Wall Street Journal

Thousands turned out on Friday for the burial of the slain son of former Libyan ruler Muammar Gaddafi in a town that still holds allegiance to the late longtime leader.

From Barron's

The backlash is prompting Iran’s rulers to back off in some high-profile instances to ease the pressure on the regime.

From The Wall Street Journal