1
: a person who reigns over a kingdom or empire: such as
a
: a sovereign ruler
b
: a constitutional (see constitutional entry 1 sense 3) king or queen
2
: one that holds preeminent position or power
cotton, monarch of the textile world—
Wall Street Journal
Wall Street JournalExamples of monarch in a Sentence
a new history of French monarchs
the ruling monarch of Britain at that time was Queen Elizabeth I
Recent Examples on the Web
The treasure chest emoji celebrates discovery and reward. Also known as the ocean’s apex predator, the leviathan, the monarch of the deep, the black fin, and certainly not Flipper.
—Kurt Knutsson, FOXNews.com, 28 July 2025
However, there is currently no evidence of the spouse of an heir hosting an investiture ceremony, meaning Camilla is currently more likely than Kate to take on the role until Prince William becomes monarch.
—Stephanie Petit, People.com, 24 July 2025
Social media users then decided that Paytas' child was the reincarnation of the monarch.
—Marni Rose McFall, MSNBC Newsweek, 23 July 2025
But a new likeness of the monarch marks the first time a humanoid robot has wielded the paintbrush.
—Leslie Katz, Forbes.com, 18 July 2025
See All Example Sentences for monarch
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Kurt Knutsson, FOXNews.com, 28 July 2025
However, there is currently no evidence of the spouse of an heir hosting an investiture ceremony, meaning Camilla is currently more likely than Kate to take on the role until Prince William becomes monarch.
—Stephanie Petit, People.com, 24 July 2025
Social media users then decided that Paytas' child was the reincarnation of the monarch.
—Marni Rose McFall, MSNBC Newsweek, 23 July 2025
But a new likeness of the monarch marks the first time a humanoid robot has wielded the paintbrush.
—Leslie Katz, Forbes.com, 18 July 2025
See All Example Sentences for monarch
Cite this Entry
“Monarch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monarch. Accessed 4 Aug. 2025.
Copy CitationKids Definition
monarch
noun
mon·arch
ˈmän-ərk 
-ˌärk
1
: a person who reigns over a kingdom or empire: as
a
: a ruler who has total power
absolute monarch
b
: someone who acts primarily as chief of state and who has only limited powers
constitutional monarch
2
: someone or something like a monarch
the oak is the monarch of the forest
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