Monmouth

American  

[mon-muhth] / ˈmɒn məθ /

noun

1. James Scott, Duke of, 1649–85, illegitimate son of Charles II of England and pretender to the throne of James II.

2. a city in western Illinois.

3. Monmouthshire.

4. former name of Freehold.

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Monmouth ¹ British  

/ ˈmɒnməθ /

noun

1. a market town in E Wales, in Monmouthshire: Norman castle, where Henry V was born in 1387. Pop: 8547 (2001)

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Monmouth ² British  

/ ˈmɒnməθ /

noun

1. James Scott, Duke of Monmouth. 1649–85, the illegitimate son of Charles II of England, he led a rebellion against James II in support of his own claim to the Crown; captured and beheaded

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Etymology

Origin of Monmouth

From the River Monnow (from Welsh Mynwy) a river flowing through Herefordshire and Monmouthshire in the United Kingdom + mouth ( def. )

Example Sentences

Family tradition says the company kept Washington’s troops supplied with the spirit during the Battle of Monmouth in 1778, and the historical record shows that two Laird brothers fought beside the general.

From The Wall Street Journal • May 10, 2026

The president named Dr. Nicole Saphier, the director of breast imaging at Memorial Sloan Kettering Cancer Center Monmouth and a Fox News contributor, as his new nominee.

From The Wall Street Journal • Apr. 30, 2026

Now in its fourth year, the American Music Honors convened on Saturday evening at Monmouth University in fine style.

From Salon • Apr. 20, 2026

Storm Claudia devastated the residents of Monmouth, south Wales, in November 2025, when the River Monnow reached 18-times its normal level.

From BBC • Mar. 13, 2026

Gloomily, I thought of Monmouth House: empty corridors, old gas-jets, the key turning in the lock of my room.

From "The Secret History" by Donna Tartt