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  

/ ˌdʒɛfəˈsəʊnɪən, 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

The Downey and Figueroa structures are open to first-come, first-served sales, but you can purchase prepaid parking for the Shrine, Grand Avenue and Jefferson structures.

From Los Angeles Times • Apr. 15, 2026

Like if Thomas Jefferson or James Madison were here, how would they respond to the whole situation?

From Slate • Apr. 15, 2026

Jefferson grasped that Jenner’s innovative method had the ability to eliminate the disease.

From The Wall Street Journal • Apr. 14, 2026

This could eventually dampen demand for other products and further hurt the economy, Jefferson noted.

From Los Angeles Times • Apr. 9, 2026

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

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