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
defense of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "defense of" is correct and usable in written English.
It can be used when discussing the justification or support for a particular action, belief, or position. Example: "In the defense of free speech, many argue that all voices should be heard, regardless of their content."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
59 human-written examples
In defense of the thesaurus.
News & Media
His defense of the need….
News & Media
To a defense of the Tenth Amendment?
News & Media
Tim Parks in defense of editors.
News & Media
IN DEFENSE OF FOOD, by Michael Pollan.
News & Media
An impassioned defense of Google Books.
News & Media
Bernard Hopkins's defense of his I.B.F.
News & Media
Italian laws forbid the defense of Fascism.
News & Media
Her defense of literary theory is lovely.
News & Media
I see the defense of Ukraine.
News & Media
Nor is this a defense of unilateralism.
News & Media
Expert writing Tips
Best practice
Consider the tone and formality of your writing. While "defense of" is suitable for many contexts, more formal situations might benefit from synonyms like "justification for" or "vindication of".
Common error
Avoid using "defense of" in very casual or informal writing where simpler terms like "supporting" or "backing" would be more appropriate. Overuse can make your writing sound unnecessarily formal or stilted.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "defense of" primarily functions as a prepositional phrase, often acting as an adjectival modifier to describe the purpose or reason behind an action or argument. As Ludwig confirms, it's grammatically correct and widely usable.
Frequent in
News & Media
60%
Science
20%
Encyclopedias
10%
Less common in
Wiki
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "defense of" is a common and grammatically sound prepositional phrase used to express support, justification, or protection. As Ludwig AI verifies, it is suitable for a wide range of contexts, although it appears more frequently in news, academic, and encyclopedic sources. When writing, ensure the context clearly explains what is being defended. While versatile, "defense of" can sometimes sound overly formal in casual settings, where alternatives like "supporting" or "backing" may be more fitting. Key related phrases include "in support of", "in favor of", and "justification for".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in support of
Replaces "defense" with "support", emphasizing advocacy.
in favor of
Similar to "support", but implies a preference.
to protect
Focuses on the act of safeguarding rather than the justification.
to advocate for
Emphasizes active promotion and defense.
justification for
Highlights the reasons or arguments behind an action or belief.
vindication of
Suggests clearing someone or something from blame or suspicion.
apologia for
Implies a formal defense or justification, often for controversial topics.
championing
Highlights the act of actively supporting and promoting something.
guarding
Focuses on vigilance and maintaining security.
preservation of
Highlights efforts to maintain and protect something from harm or decay.
FAQs
How can I use "defense of" in a sentence?
You can use "defense of" to show support or justification for something. For example: "His "defense of" the new policy was well-articulated".
What can I say instead of "defense of"?
You can use alternatives like "support of", "in favor of", or "justification for" depending on the specific context.
Is it correct to say "in defense of" or "in defense to"?
The correct phrase is "in "defense of"". The preposition "of" is required after "defense" in this context.
What's the difference between "defense of" and "advocacy for"?
"Defense of" generally implies protecting something from attack or criticism, while "advocacy for" suggests actively promoting and supporting a cause or idea.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested