---
title: "Carthago Delenda Est — AP Latin Definition & Grammar"
description: "Carthago delenda est means 'Carthage must be destroyed.' Learn the gerundive of obligation behind the phrase and how it connects to Dido in Aeneid Book 4."
canonical: "https://fiveable.me/ap-latin/key-terms/carthago-delenda-est"
type: "key-term"
subject: "AP Latin"
unit: "Unit 5"
---

# Carthago Delenda Est — AP Latin Definition & Grammar

## Definition

Carthago delenda est ('Carthage must be destroyed') is Cato the Elder's famous demand that Rome obliterate Carthage; for AP Latin it doubles as the classic example of the gerundive of obligation and the historical payoff of the Rome-Carthage hatred Vergil dramatizes through Dido in Aeneid Book 4.

## What It Is

Carthago delenda est translates to '[Carthage](/ap-latin/key-terms/carthage "fv-autolink") must be destroyed.' Cato the Elder reportedly tacked it onto the end of his Senate speeches in the years before the Third Punic War, hammering home the idea that Rome could never be safe while Carthage existed. Rome eventually agreed, and Carthage was razed in 146 BCE. The phrase became shorthand for total, no-compromise hostility between the two cities.

For [AP Latin](/ap-latin "fv-autolink"), the phrase matters twice over. Grammatically, *delenda* is a gerundive (a [verbal](/ap-latin/unit-5 "fv-autolink") adjective) paired with *est* to express obligation, the construction often called the passive periphrastic. That's why it means 'must be destroyed' rather than just 'is destroyed.' Note also that *delenda* is feminine nominative singular because it agrees with *Carthago*, exactly the kind of agreement the CED expects you to explain. Historically, the phrase is the endpoint of the story Vergil starts in the Aeneid. When Dido, queen of Carthage, is abandoned by Aeneas in Book 4, Vergil is giving his Roman audience a mythological origin for the very real wars that ended with Carthage in ashes.

## Why It Matters

This term lives in the orbit of Topic 5.1 ([Vergil](/ap-latin/unit-3 "fv-autolink"), [Aeneid](/ap-latin/key-terms/aeneid "fv-autolink") Book 4) in Unit 5. The grammar inside the phrase is straight out of the CED. Learning objective AP Latin 5.1.D requires you to describe how verbals like gerundives function in context, and *delenda est* is the most famous gerundive in all of Latin. AP Latin 5.1.E covers adjective agreement, which explains why *delenda* takes feminine nominative singular endings to match *Carthago*. Defining the phrase itself falls under AP Latin 5.1.A and 5.1.B. Beyond grammar, the phrase is essential background for reading Book 4 the way Vergil's audience did. Every Roman reader watching Dido's love turn to rage knew how the Rome-Carthage story ended, and that dramatic irony is what makes the Dido episode hit so hard.

## Connections

### [Dido (Unit 5)](/ap-latin/key-terms/dido)

Vergil uses [Dido](/ap-latin/key-terms/dido "fv-autolink")'s abandonment and death to invent a mythological origin for the Rome-Carthage feud. Carthago delenda est is how that feud ends in real history, so the phrase is essentially the last line of the story Book 4 begins.

### [Punic Wars (Unit 5)](/ap-latin/key-terms/punic-wars)

Cato's slogan pushed Rome into the Third Punic War, which ended with Carthage destroyed in 146 BCE. Vergil wrote the Aeneid for an [audience](/ap-latin/key-terms/audience "fv-autolink") that already knew this outcome, which colors every Carthage scene in the poem.

### Hannibal Barca (Unit 5)

Hannibal was the Carthaginian general who nearly destroyed Rome in the Second Punic War, and Romans read Dido's dying rage as foreshadowing him. Cato's phrase is the Roman answer to that fear of Carthage rising again.

### [Adjective agreement (Unit 5)](/ap-latin/key-terms/adjective-agreement)

*Delenda* is a verbal [adjective](/ap-latin/key-terms/adjective "fv-autolink"), so it must agree with *Carthago* in gender, number, and case (feminine nominative singular). The phrase is a clean two-word demonstration of the agreement rules LO 5.1.E asks you to explain.

## On the AP Exam

No released FRQ has used this phrase verbatim, and it isn't a line from the required syllabus, since it comes from Cato, not Vergil. But everything inside it is testable. Multiple-choice questions and translation FRQs regularly target gerundives, and AP Latin 5.1.D expects you to recognize that a gerundive plus a form of *sum* expresses obligation ('must be ___ed'). If you can parse *delenda est*, you can parse any passive periphrastic the exam throws at you. The phrase also anchors the historical context questions around Book 4. Knowing that Rome and Carthage fought three wars ending in Carthage's destruction helps you explain why Vergil frames Dido's story as the seed of that conflict, which is exactly the kind of contextual analysis short-answer and essay questions reward.

## Carthago delenda est vs Gerund

A gerund is a verbal NOUN (bellandi, 'of waging war'); a gerundive is a verbal ADJECTIVE that modifies a noun and agrees with it. *Delenda* is a gerundive because it modifies *Carthago* and matches its gender, number, and case. Quick test: if the verbal form agrees with a noun, it's a gerundive; if it stands alone as a noun, it's a gerund.

## Key Takeaways

- Carthago delenda est means 'Carthage must be destroyed' and is attributed to Cato the Elder, who repeated it to push Rome toward the Third Punic War.
- Grammatically, *delenda est* is a gerundive of obligation (passive periphrastic), the construction LO 5.1.D expects you to recognize and translate as 'must be ___ed.'
- *Delenda* is feminine nominative singular because gerundives are adjectives and must agree with the noun they modify, here *Carthago*.
- Carthage was actually destroyed in 146 BCE, so Vergil's audience read Dido's story in Book 4 already knowing how the Rome-Carthage feud would end.
- The phrase is not a line from the Aeneid, but it captures the Roman hostility toward Carthage that makes the Dido episode so loaded with dramatic irony.

## FAQs

### What does Carthago delenda est mean?

It means 'Carthage must be destroyed.' Cato the Elder reportedly ended his Senate speeches with it to push Rome toward war, and Carthage was destroyed in 146 BCE at the end of the Third Punic War.

### Is Carthago delenda est in the Aeneid?

No. The phrase comes from Cato the Elder, not Vergil. But the gerundive construction inside it and the Rome-Carthage hostility behind it are both central to reading Aeneid Book 4, where Dido's story gives the feud its mythological origin.

### Why is delenda est translated as 'must be destroyed' instead of 'is destroyed'?

*Delenda* is a gerundive, a verbal adjective, and when a gerundive pairs with a form of *sum* it expresses obligation or necessity. That construction is the passive periphrastic, so the translation needs 'must be' rather than a plain present tense.

### What's the difference between a gerund and the gerundive in Carthago delenda est?

A gerund is a verbal noun (like bellandi, 'of waging war'), while a gerundive is a verbal adjective that agrees with a noun. *Delenda* is a gerundive because it modifies *Carthago* and takes feminine nominative singular endings to match it.

### Who said Carthago delenda est and why?

Cato the Elder, a Roman senator who believed Rome would never be safe while Carthage survived after two Punic Wars, especially Hannibal's near-destruction of Rome. Rome adopted his view and leveled Carthage in 146 BCE.

## Related Study Guides

- [5.1 Vergil Aeneid Book 4 Lines 74-89, 165-197 Study Guide](/ap-latin/unit-5/vergil-aeneid-book-4-lines-74-89-165-197-study-guide/study-guide/bae06b27bb516fdd)

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