Missouri

American  

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

noun

Missouris plural

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.

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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)

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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.

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Missouri More Idioms  

1. see from Missouri.

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Other Word Forms

Derived Forms

• Missourian
  adjective

Inflected Forms

noun

• Missouris
  plural
• Missouri
  plural

Example Sentences

England, who will move from Florida to their tournament training base in Kansas City, Missouri, open their Group L campaign against Croatia on 17 June in Dallas, Texas.

From BBC • Jun. 5, 2026

The world’s biggest sporting event is headed to its smallest host this year: Kansas City, Missouri.

From The Wall Street Journal • Jun. 4, 2026

Other accounts were connected to women who indicated elsewhere that they were based in Pennsylvania, Missouri and Michigan.

From Los Angeles Times • May 15, 2026

Researchers at the University of Missouri are developing a new way to remove tiny plastic pollutants from water using specially engineered algae.

From Science Daily • May 12, 2026

The place on Minnesota Avenue is close enough to the bridge so that we can get customers from Missouri as well.

From "Fallen Angels" by Walter Dean Myers