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
pledge to defend
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "pledge to defend" is correct and usable in written English.
You can use it when expressing a commitment or promise to protect or support someone or something, often in a formal or serious context. Example: "As a citizen, I pledge to defend my country and uphold its values."
✓ Grammatically correct
News & Media
Encyclopedias
Wiki
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
30 human-written examples
Instead, Nato members should pledge to defend any Middle Eastern state that is attacked with nuclear weapons.
News & Media
Following the United States model, militia leaders told me last month that Libyan army officers should pledge to defend the constitution, not the head of state.
News & Media
Yes, the United States has an important mission: to stay true to the moral values we pledge to defend at home and abroad.
News & Media
One important but less-noticed element of the security negotiations has been Iraq's effort to extract an American pledge to defend the government against foreign or domestic aggression.
News & Media
This is a warning to anyone who assumed that [European Central Bank head] Mario Draghi had quelled the crisis with his pledge to defend the euro.
News & Media
China, thinks Paul Beaver of the Jane's defence group, would see this as a big step towards setting up a theatre missile defence for Taiwan, perhaps even as a pledge to defend Taiwan in the event of an invasion.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
Van Dorn pledged to defend the city to the death.
News & Media
Later, when the candidate himself pledged to defend L.G.B.T.Q.
News & Media
Residents pledged to defend their properties and dignity with their lives.
News & Media
Kennedy responded by pledging to defend West Berlin and calling up 250,000 reservists.
Encyclopedias
The U.S.S.R. reaped a propaganda harvest and pledged to defend Cuba in the future.
Encyclopedias
Expert writing Tips
Best practice
When using "pledge to defend", ensure the object of defense is clearly defined to avoid ambiguity. For example, "pledge to defend" + "the constitution" or "pledge to defend" + "the rights of citizens".
Common error
Avoid using "pledge to defend" in overly casual or trivial situations. This phrase carries a strong sense of commitment and is more appropriate for serious or formal declarations. Consider alternatives like "promise" or "agree" in less formal settings.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "pledge to defend" is to act as a verb phrase expressing a firm commitment or promise to protect or support something or someone. As Ludwig AI confirms, the expression is grammatically correct. Many examples from Ludwig show this phrase in contexts involving national security or moral values.
Frequent in
News & Media
65%
Encyclopedias
15%
Wiki
10%
Less common in
Formal & Business
5%
Science
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "pledge to defend" is a common expression used to convey a strong commitment to protecting or supporting something. Ludwig AI confirms that the phrase is grammatically correct and suitable for use in written English. It's often found in news and media, encyclopedias, and wiki articles, suggesting a broad applicability but is also suited for formal contexts. When using "pledge to defend", be sure to clearly define what is being defended to avoid ambiguity. Alternatives include "promise to protect" or "vow to safeguard", each carrying slightly different nuances. Remember that while common, it should be used in serious, rather than trivial contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Promise to protect
Focuses on a promise specifically related to offering protection.
Vow to safeguard
Emphasizes the act of ensuring safety and security.
Undertake to shield
Suggests a proactive effort to guard against harm.
Commit to preserve
Highlights the maintenance and continuation of something valuable.
Guarantee to uphold
Focuses on maintaining and defending principles or standards.
Swear to support
Implies a formal and solemn declaration of allegiance and assistance.
Pledge allegiance to
Emphasizes loyalty and commitment to a cause or entity.
Affirm commitment to
Highlights a declared dedication towards a cause.
Solemnly vow to
Emphasizes the serious and sincere nature of the commitment.
Give an undertaking to
Suggests a formal assurance to fulfill a responsibility.
FAQs
How to use "pledge to defend" in a sentence?
The phrase "pledge to defend" is used to express a formal promise or commitment to protect something. For example, "The soldier made a "pledge to defend" the nation's borders".
What can I say instead of "pledge to defend"?
You can use alternatives like "promise to protect", "vow to safeguard", or "commit to preserve" depending on the context.
What's the difference between "pledge to defend" and "promise to protect"?
"Pledge to defend" often carries a more formal and solemn tone than "promise to protect". A pledge implies a deeper commitment, often made publicly or officially.
Is "pledge to defend" only used in military or political contexts?
While often used in military or political contexts, "pledge to defend" can also apply to other situations where a strong commitment to protect something is made. For example, one might "pledge to defend" the environment or the rights of others.
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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