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 monarch continued the royal tradition with his third Christmas speech in 2024.
—Stephanie Petit, PEOPLE, 20 Dec. 2025
Among the jewelry in her extensive brooch collection, Queen Camilla inherited the late Queen Elizabeth II’s regimental brooch, featuring the skull and crossbones symbol, following the long-reigning monarch’s death in 2022.
—Julia Teti, Footwear News, 19 Dec. 2025
Now, Buckingham Palace has given an update on King Charles’s cancer right after the monarch’s Christmas address.
—Lizzie Lanuza, StyleCaster, 15 Dec. 2025
Questions over the health of a monarch would usually be top of the royal news agenda, but Charles has spent the past few months grappling with a public storm surrounding his younger brother, Andrew Mountbatten-Windsor, formerly known as Prince Andrew.
—Nick Duffy, NBC news, 12 Dec. 2025
See All Example Sentences for monarch
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Stephanie Petit, PEOPLE, 20 Dec. 2025
Among the jewelry in her extensive brooch collection, Queen Camilla inherited the late Queen Elizabeth II’s regimental brooch, featuring the skull and crossbones symbol, following the long-reigning monarch’s death in 2022.
—Julia Teti, Footwear News, 19 Dec. 2025
Now, Buckingham Palace has given an update on King Charles’s cancer right after the monarch’s Christmas address.
—Lizzie Lanuza, StyleCaster, 15 Dec. 2025
Questions over the health of a monarch would usually be top of the royal news agenda, but Charles has spent the past few months grappling with a public storm surrounding his younger brother, Andrew Mountbatten-Windsor, formerly known as Prince Andrew.
—Nick Duffy, NBC news, 12 Dec. 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 24 Dec. 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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