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
Founded in 1484, the College of Arms operates as part of the Royal Household, answering to the monarch.
—Will Gottsegen, The Atlantic, 9 June 2026
The other was a young monarch carrying the weight of a centuries-old institution.
—Simon Perry, PEOPLE, 9 June 2026
The vehicle was carefully modified so that the late monarch could position her handbag alongside her between the two front seats.
—Jennifer Hassan, USA Today, 8 June 2026
The Indiana Wildlife Federation also sells kits that contain a selection of species curated to build out shady areas, prairies or monarch habitats.
—Sophie Hartley, IndyStar, 8 June 2026
See All Example Sentences for monarch
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Will Gottsegen, The Atlantic, 9 June 2026
The other was a young monarch carrying the weight of a centuries-old institution.
—Simon Perry, PEOPLE, 9 June 2026
The vehicle was carefully modified so that the late monarch could position her handbag alongside her between the two front seats.
—Jennifer Hassan, USA Today, 8 June 2026
The Indiana Wildlife Federation also sells kits that contain a selection of species curated to build out shady areas, prairies or monarch habitats.
—Sophie Hartley, IndyStar, 8 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 17 Jun. 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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