South Atlantic

American  

[south at-lan-tik] / ˈsaʊθ ætˈlæn tɪk /

noun

1. the region of the world that lies in the Southern Hemisphere of the Atlantic Ocean, including all the coastal countries, islands, and archipelagos located there.

   I’ve got relatives throughout the South Atlantic, but my cousins in Uruguay are the only ones I really know.

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adjective

1. of or relating to the region of the world that lies in the Southern Hemisphere of the Atlantic Ocean, often specifically to the South Atlantic Ocean itself.

   their South Atlantic adventures aboard a small fishing boat.

Example Sentences

In a state of the nation address to parliament, the Argentine leader said "the South Atlantic is the strategic battleground of the coming decades," arguing Argentina must be a "player" in the region.

From Barron's • Mar. 2, 2026

The most pronounced warming was observed in the tropical oceans, the South Atlantic, the North Pacific, and the Southern Ocean.

From Science Daily • Jan. 14, 2026

Work is under way on a South Atlantic island to preserve a key building in the story of polar explorer Ernest Shackleton.

From BBC • Dec. 31, 2025

The Aer Lingus owner said the softness in its U.S. point-of-sale economy cabin offering was expected, but that the South Atlantic and Asia Pacific markets performed strongly.

From The Wall Street Journal • Nov. 7, 2025

An island of the archipelago in the South Atlantic between North and South America, enclosing the Caribbean Sea and the Gulf of Mexico: divided into the Greater Antilles, the Lesser Antilles, and the Bahama Islands.

From "The Bluest Eye" by Toni Morrison