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.

---

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)

---

Other Word Forms

• Jeffersonian
  adjective

Example Sentences

See Examples For:

Jefferson

A few carefully placed words from Williams and Jefferson offered a way out, resetting expectations without requiring Warsh to depart from his own approach.

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

Vice Chair Jefferson echoes another central bank official who cast doubt on an October hike.

From The Wall Street Journal ● Oct. 2, 2026

By his own words, Jefferson was nearly mad with grief.

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