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Peloponnesian

British  
/ ˌpɛləpəˈniːʃən /

adjective

  1. of or relating to the Peloponnese or its inhabitants

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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At the Battle of Leuctra in 371 B.C. the Thebans judged, correctly, that Sparta’s Peloponnesian allies were tired of fighting its wars and would be slow to engage.

From The Wall Street Journal May 25, 2026

Discovered in a rather remote seaside region of the Peloponnesian peninsula, rather than an established Greek artistic center, the Pylos Combat Agate might have been made in Crete, a prominent trading partner.

From Los Angeles Times Sep. 10, 2025

Among other things, Spartan isolationism born of paranoia gave Athens free rein to throw its own weight around, leading to the Peloponnesian War.

From Slate Jan. 16, 2024

It was based on the ancient historian’s observation that the real cause of the Peloponnesian War “was the rise of Athens and the fear that this instilled in Sparta.”

From Seattle Times Aug. 30, 2023

Alexander was about to explain that Aristophanes was the famous Greek dramatist who wrote satirical plays about the Peloponnesian War, but Penelope spoke first.

From "The Hidden Gallery" by Maryrose Wood

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