1
: a person who reigns over a kingdom or empire: such as
a
: a sovereign ruler
b
: a constitutional (see constitutional entry 1 sense 1) king or queen
2
: one that holds preeminent position or power
Cotton, monarch of the textile world …—
Wall Street Journal
Wall Street JournalSynonyms of monarch
Examples 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 royal family's most recent group outing was at the annual Trooping the Colour military parade on June 13, celebrating the official birthday of Britain's monarch, King Charles III.
—
Kimi Robinson,
USA Today,
29 June 2026
Rhaenrya will undoubtedly make a better monarch than Daemon, but Daemon understands that the game of thrones is theater.
—
Amanda Whiting,
Vulture,
29 June 2026
Following her death in September 2022 , Queen Elizabeth is being commemorated in an evolving digital tribute in which members of the public and prominent figures are encouraged to share their thoughts on the iconic monarch.
—
Simon Perry,
PEOPLE,
29 June 2026
Prince William has contributed fond memories of his late grandmother Queen Elizabeth to a digital memorial of the monarch.
—
Rachel Burchfield,
InStyle,
29 June 2026
See All Example Sentences for monarch
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Kimi Robinson,
USA Today,
29 June 2026
Rhaenrya will undoubtedly make a better monarch than Daemon, but Daemon understands that the game of thrones is theater.
—
Amanda Whiting,
Vulture,
29 June 2026
Following her death in September 2022 , Queen Elizabeth is being commemorated in an evolving digital tribute in which members of the public and prominent figures are encouraged to share their thoughts on the iconic monarch.
—
Simon Perry,
PEOPLE,
29 June 2026
Prince William has contributed fond memories of his late grandmother Queen Elizabeth to a digital memorial of the monarch.
—
Rachel Burchfield,
InStyle,
29 June 2026
See All Example Sentences for monarch
Cite this Entry
“Monarch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monarch. Accessed 5 Jul. 2026.
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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