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

This region, called the South Atlantic Anomaly, has expanded since 2014 by an area nearly half the size of continental Europe.

From Science Daily • Feb. 25, 2026

A military official said the collision was in the Southern Command area of responsibility, which includes the Caribbean and parts of the South Atlantic and South Pacific.

From The Wall Street Journal • Feb. 12, 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 domesticity in this poem, these kitchens, gardens, ponds...is not a metaphor for the ludicrous war in the South Atlantic in this year?”

From "Black Swan Green" by David Mitchell