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

See Examples For:

Jefferson

Corona Centennial and its new quarterback, Jaden Jefferson, a transfer from L.A.

From Los Angeles Times ● Jul. 5, 2026

Those of Adams and Jefferson are as good as any he ever did and among the best ever done of either man.

From The Wall Street Journal ● Jul. 4, 2026

The Americans weren’t exactly winning anyway, but Jefferson doubled-down and sent more war frigates.

From Salon ● Jul. 4, 2026

How President Thomas Jefferson became one of America's early 'weather geeks'

From BBC ● Jul. 4, 2026

The girls went on to Paris, where Jefferson was reunited with his younger daughter, and Sally, with her brother.

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