Jefferson

American  

[jef-er-suhn] / ˈdʒɛf ər sən /

noun

1. Joseph, 1829–1905, U.S. actor.

2. Thomas, 1743–1826, U.S. statesman, diplomat, architect, and author: 3rd president of the U.S. 1801–09.

3. a river in southwestern Montana, flowing generally northeast to join the Madison and Gallatin rivers to form the Missouri River. 225 miles (362 km) long.

4. Mount Jefferson, a mountain in northwestern Oregon, in the Cascade Range. 10,497 feet (3,199 meters).

5. Mount Jefferson, a mountain in northern New Hampshire, in the Presidential Range of the White Mountains. 5,715 feet (1,742 meters).

6. a male given name.

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Jefferson British  

/ ˈdʒɛfəsən /

noun

1. Thomas. 1743–1826, US statesman: secretary of state (1790–93); third president (1801–09). He was the chief drafter of the Declaration of Independence (1776), the chief opponent of the centralizing policies of the Federalists under Hamilton, and effected the Louisiana Purchase (1803)

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Other Word Forms

• Jeffersonian
  adjective

Example Sentences

See Examples For:

Jefferson

Williams and Jefferson don’t always signal where rates are headed.

From The Wall Street Journal ● Oct. 6, 2026

Councilmember Heather Hutt, who represents Jefferson Park, said times have changed as she called for the Murphy drill site’s permit to be revoked.

From Los Angeles Times ● Oct. 3, 2026

The nearby Jefferson drill site, which Redeemer Community Partnership also organized against, elected to shut down in 2018 after the city ordered it to implement stronger health protections.

From Los Angeles Times ● Oct. 3, 2026

Remarks from Jefferson reinforced those of New York Fed President John Williams, who said Tuesday there was “no need for urgency” after the Fed’s rate increase in September.

From The Wall Street Journal ● Oct. 1, 2026

As they closed in, a Virginia militiaman galloped all night to warn Jefferson.

From "In the Shadow of Liberty" by Kenneth C. Davis