Foggy Bottom

American  

noun

1. a low-lying area bordering the Potomac River in Washington, D.C.

2. Informal. the U.S. Department of State, whose office building is located in this area.

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Foggy Bottom Cultural  

1. A nickname for the United States Department of State, whose offices were built in a formerly swampy area of Washington, D.C., known as Foggy Bottom because of vapors rising from the swamp.

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Example Sentences

He spends little of his time at the State Department’s headquarters in Foggy Bottom, instead working out of the White House within arm’s reach of the president.

From The Wall Street Journal • Jan. 7, 2026

Students, faculty, staff and alumni narrowed that down further to four finalists — “Ambassadors,” “Sentinels,” “Revolutionaries” and “Blue Fog,” after the Foggy Bottom neighborhood — in March.

From New York Times • May 24, 2023

In 2021, the Foggy Bottom hospital and academic medical center, which is licensed for 395 beds, admitted more than 18,000 patients, logged nearly 47,000 emergency department visits and delivered about 2,500 babies, hospital data show.

From Washington Post • Mar. 17, 2023

The project stretches three miles from the Foggy Bottom station in the District to the Arlington Cemetery station in Virginia.

From Washington Post • Feb. 24, 2023

Such guidelines have relaxed over time, and she now pays regular, if discreet, visits to the West Wing and Foggy Bottom.

From New York Times • Jan. 21, 2023