Missouri

American  

[mi-zoor-ee, -zoor-uh] / mɪˈzʊər i, -ˈzʊər ə /

noun

plural

Missouris,

plural

Missouri

1. a state in the central United States. 69,674 sq. mi. (180,455 sq. km). Jefferson City. MO (for use with zip code), Mo.

2. a river flowing from SW Montana into the Mississippi N of St. Louis, Mo. 2,723 miles (4,382 km) long.

3. a member of a North American Indian tribe belonging to the Siouan linguistic stock, located on the Missouri River in early historic times and now extinct as a tribe.

---

idioms

1. from Missouri, unwilling to accept something without proof; skeptical.

   I'm from Missouri—you'll have to show me that you're right.

Missouri British  

/ mɪˈzʊərɪ /

noun

1. Abbreviation: Mo.   MO.  a state of the central US: consists of rolling prairies in the north, the Ozark Mountains in the south, and part of the Mississippi flood plain in the southeast, with the Mississippi forming the E border; chief US producer of lead and barytes. Capital: Jefferson City. Pop: 5 704 484 (2003 est). Area: 178 699 sq km (68 995 sq miles)

2. a river in the W and central US, rising in SW Montana: flows north, east, and southeast to join the Mississippi above St Louis; the longest river in North America; chief tributary of the Mississippi. Length: 3970 km (2466 miles)

---

Missouri Cultural  

1. State in the central United States bordered by Iowa to the north; Illinois, Kentucky, and Tennessee to the east; Arkansas to the south; and Oklahoma, Kansas, and Nebraska to the west. Its capital is Jefferson City, and its largest city is St. Louis.

---

Missouri More Idioms  

1. see from Missouri.

---

Other Word Forms

• Missourian adjective

Example Sentences

The Missouri Ethics Commission also fined him over campaign-finance violations in 2020.

From The Wall Street Journal • Apr. 8, 2026

Date Lady co-founder Colleen Sundlie is now wrestling with how to get her 40-foot container of organic date sugar and date paste from Dubai’s Jebel Ali Port to Missouri.

From The Wall Street Journal • Apr. 1, 2026

As a child dancer, performance was Slayyyter’s youth, and as a college dropout from the University of Missouri, she turned to SoundCloud to share the music blossoming from her at-home recording sessions.

From Los Angeles Times • Mar. 25, 2026

She earned her bachelor's degree in nutritional science from the University of Missouri and completed her medical degree at the University of Maryland-Baltimore.

From Science Daily • Mar. 23, 2026

Dorothy was born in 1910 in Kansas City, Missouri.

From "Hidden Figures" by Margot Lee Shetterly