Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
sworn foes
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sworn foes" is correct and usable in written English.
It can be used to describe individuals or groups that have a deep-seated enmity or hostility towards each other, often implying a formal or serious commitment to being adversaries. Example: "Throughout history, the sworn foes clashed on the battlefield, each determined to defeat the other."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
The general, as a servant of the state, earns plaudits for the battle that he wages — at times single-handed — against the Volscians, sworn foes of Rome.
News & Media
"McCain has absolutely courted some of our -- he's fraternized with some of the worst people, politically speaking, they're our sworn foes," Mr. Engler said in an appearance on "Face the Nation" on CBS.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Spielberg remains a sworn foe of narrative confusion, and, as for potting, nobody does it better.
News & Media
The second included Mayor Edward I. Koch, a sworn foe of subway graffiti.
News & Media
All it can give us is a rendering of the functionally insane — insanity being the sworn foe of the coherent.
News & Media
Is it Fritz, or could it be the nicely named Father Burner, already his sworn foe when the tale begins?
News & Media
If he is a scourge of neo-capitalism, he is also a sworn foe of liberal pluralism and political correctness.
News & Media
All it can give us is a rendering of the functionally insane insanity being the sworn foe of the coherent.
News & Media
Breitbart News was supportive of Trump and a sworn foe of House speaker Paul Ryan, who has close ties to Priebus, also from Wisconsin.
News & Media
Saudi failure in Yemen follows strategic reverses in Syria, where Russia's autumn intervention reinforced Bashar al-Assad, Syria's president and Riyadh's sworn foe.
News & Media
But he became a sworn foe of Mr. Blair's plan, under which, he felt, peers were sent packing without precisely agreed-upon long-term provisions for replacing them.
News & Media
Expert writing Tips
Best practice
Consider the connotations of the phrase. "Sworn foes" implies a level of commitment and seriousness to the opposition, making it suitable for describing conflicts with significant stakes or historical depth.
Common error
Avoid using "sworn foes" in casual or trivial situations. The phrase's gravitas can feel out of place when describing minor disagreements or rivalries.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sworn foes" functions as a noun phrase where "sworn" acts as an adjective modifying "foes". It describes a specific type of enemy, one bound by a deep or formally declared animosity. Ludwig examples illustrate its use in describing long-standing political and military rivalries.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "sworn foes" is a noun phrase used to describe a state of deep and committed animosity. Ludwig AI confirms its grammatical correctness. While relatively infrequent in general usage, as found on Ludwig, it is commonly employed in news and media contexts to highlight significant and enduring conflicts. The phrase carries a neutral tone and emphasizes the intensity and permanence of the opposition. Therefore, use "sworn foes" when you want to underscore the seriousness of a rivalry, but avoid it in informal or trivial situations where its weight might feel misplaced.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Bitter rivals
Emphasizes the intensity of the competition or animosity.
Arch enemies
Highlights a long-standing and profound hatred.
Mortal enemies
Implies a conflict that could result in death.
Implacable adversaries
Suggests an unwillingness to be appeased or reconciled.
Inveterate antagonists
Indicates a deeply rooted and persistent opposition.
Long-standing adversaries
Focuses on the duration of the conflict.
Sworn enemies
Similar but broader, encompassing any form of enmity.
Rivals in perpetuity
Emphasizes the unending nature of the rivalry.
Irreconcilable foes
Highlights the impossibility of resolving the conflict.
Constant adversaries
Focuses on the continual nature of the opposition.
FAQs
How can I use "sworn foes" in a sentence?
You can use "sworn foes" to describe individuals or groups with a long-standing and deep-seated enmity. For example, "The two nations have been "sworn foes" for centuries, engaging in numerous wars over disputed territory".
What are some alternatives to "sworn foes"?
Alternatives include "bitter rivals", "arch enemies", or "mortal enemies". The best choice depends on the specific nuance you want to convey.
Is it appropriate to use "sworn foes" in a lighthearted context?
Generally, no. "Sworn foes" carries a weight of seriousness and animosity that is typically unsuitable for lighthearted or humorous situations.
What distinguishes "sworn foes" from "enemies"?
"Enemies" is a general term for those who are hostile, whereas "sworn foes" suggests a more formal or deeply committed level of animosity, almost as if an oath or strong declaration has been made.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested