Phrase guide

Thucydides trap

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /θjuːˈsɪdɪdiːz tɹæp/

1

noun

Meaning 1

An apparent tendency towards war when an emerging power threatens to displace an existing great power as a regional or international hegemon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

An allusion to the ancient Athenian historian and military general Thucydides, who posited that the Peloponnesian War between Athens and Sparta had been inevitable because of Spartan fears of the growth of Athenian power. Coined by American political scientist Graham T. Allison.