Thucydides

American  

[thoo-sid-i-deez] / θuˈsɪd ɪˌdiz /

noun

1. c460–c400 b.c., Greek historian.

---

Thucydides British  

/ θuːˈsɪdɪˌdiːz /

noun

1. ?460–?395 _bc , Greek historian and politician, distinguished for his History of the Peloponnesian War

---

Thucydides Cultural  

1. An ancient Greek historian and general. Thucydides' history of the Peloponnesian War, in which he fought, is famous for its careful reporting of events and its sharp analysis of causes and effects.

---

Other Word Forms

• Thucydidean
  adjective

Example Sentences

See Examples For:

Thucydides

Trump also responded to a comment by Xi referring to the "Thucydides Trap," a political theory that war becomes more likely when a rising new power competes with an established great power.

From Barron's ● May 14, 2026

Perhaps Thucydides had something to say about the folly of war that they wouldn’t have appreciated had they remained civilians.

From Salon ● Apr. 19, 2026

The war comes to be defined by the Spartan general Brasidas, who goes on to wrong-foot Thucydides in 424 B.C., and Cleon, who may have engineered Thucydides’ exile.

From The Wall Street Journal ● Nov. 21, 2025

The Athenian patrician Thucydides began writing the history of his city’s conflict with Sparta even as the war was beginning.

From The Wall Street Journal ● Nov. 21, 2025

Thucydides reported, enveloped the city in “a great degree of lawlessness.”

From "1491" by Charles C. Mann