Synonyms of isthmus

isthmus

noun

as in island

a narrow geographic area that connects two larger geographic areas across a body of water

the Isthmus of Panama

Related Words

• island
• peninsula
• continent
• land
• mainland
• bridge
• soil
• earth
• zone
• dust
• landmass
• ground
• terra firma
• dirt

Example Sentences

Recent Examples of isthmus

Mehmet Yaren Bozgun / Anadolu via Getty Images The Mexican government plans to turn the isthmus into a strategic corridor for international trade, with ports and rail lines that can connect the Atlantic and Pacific Oceans. — CBS News, 29 Dec. 2025

In 2003, a momentous discovery on the Ness of Brodgar, a narrow isthmus just north of Stenness, transformed perceptions of prehistoric Orkney. — Alex Ross, New Yorker, 24 Nov. 2025

As such, one lesson other Central American elites have drawn from his regime is that capitalism in the isthmus can thrive without democracy. — Tim Brinkhof, JSTOR Daily, 8 Oct. 2025

We are connected to the Spanish mainland via two bridges and a natural isthmus, which has been in use since Roman times. — Lisa Deaderick, San Diego Union-Tribune, 20 Sep. 2025