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
is used against
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is used against" is correct and usable in written English.
It can be used to describe a situation where something is employed in opposition or as a means of attack towards someone or something. Example: "The evidence presented in court is used against the defendant to prove their guilt."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
is proven by
be checked against
is supported by
is benchmarked against
is juxtaposed with
is evaluated against
is demonstrated with
is differentiated from
verification against
is checked with
is compared with
is confirmed with
is replicated with
is substantiated by
is confirmed against
is substantiated with
is certified with
is validated with
happen against
is contrasted against
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
60 human-written examples
Our history is used against us; our patients pay the price again.
News & Media
We pretend to make evidence-based policy, but suspect that evidence is used against us by those who operate the policy machine.
News & Media
But violence is used against me.
News & Media
"If it is used against America, it has no survivability.
News & Media
If it is used against China's neighbors, it's a sign of bullying".
News & Media
"There is only live ammunition that is used against peaceful protesters".
News & Media
Prison is wrong and oppressive in these films, even when it is used against people who aren't law-abiding.
News & Media
It is used against hard-to-treat bacteria that resist one of the last lines of defence, antibiotics called carbapenems.
News & Media
"They are not retaliating when violence is used against them because there is a shift of consciousness.
News & Media
Perhaps because Western democratic governments have exercised dominant control over new broadcasting media, they are particularly upset when this technology is used against them.
News & Media
MNF-I rules of engagement (ROE) permit forces to respond to situations in which deadly force is used against unarmed persons.
News & Media
Expert writing Tips
Best practice
When using "is used against", ensure the subject and object are clearly defined to avoid ambiguity. For example, specify what is being used and who or what it is being used against.
Common error
Avoid stacking multiple passive constructions. Overusing "is used against" in conjunction with other passive verbs can lead to convoluted and difficult-to-understand sentences. Break down the sentence and use active voice where possible.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "is used against" is to form a passive construction, indicating that the subject receives the action rather than performing it. This construction is used to describe a situation where something is employed as a tool, weapon, or method of opposition. Ludwig confirms its correctness.
Frequent in
News & Media
40%
Science
35%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "is used against" functions as a grammatically sound passive construction, widely employed across diverse contexts to convey opposition or defensive actions. Ludwig confirms its validity. Its versatility extends from formal scientific literature to everyday news reporting. When employing this phrase, clarity is paramount to prevent ambiguity; ensure the subject, action, and target are distinctly defined. While common, avoiding overuse of passive constructions will enhance writing conciseness. "Is used against" demonstrates the versatility of the English language in expressing complex relationships of opposition and defense. The frequency of the phrase is high across various domains, making its understanding crucial for effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is employed against
Replaces "used" with a more formal synonym, "employed".
is utilized against
Substitutes "used" with "utilized", suggesting a more efficient or strategic application.
is deployed against
Implies a more strategic or militaristic application of something against an opponent.
is directed against
Focuses on the target of the action, emphasizing the intention behind the use.
is leveraged against
Highlights the exploitation of something to gain an advantage against someone or something.
is wielded against
Suggests a forceful or skillful application of something against an adversary.
is turned against
Indicates a reversal where something initially intended for one purpose is now being used against it.
is implemented against
Replaces 'used' to mean put into effect for a specific purpose, which in this case is "against" something.
is administered against
Suggests the use of a substance or treatment against a disease or ailment.
is exercised against
Emphasizes the application of power or authority against someone or something.
FAQs
How can I rephrase "is used against" to sound more formal?
You can opt for more formal alternatives like "is employed against" or "is utilized against" to elevate the tone.
What does "is used against" imply in a sentence?
It generally indicates that something is being employed in opposition, detriment, or as a defense against another entity or concept. The implication depends heavily on the context of the sentence.
Is it correct to use "is used against" in both formal and informal writing?
Yes, the phrase is grammatically correct and appropriate for both formal and informal contexts. However, more formal synonyms might be preferable in highly professional settings.
What are some common situations where the phrase "is used against" might appear?
You'll often find it in discussions about legal proceedings (evidence "is used against" a defendant), warfare (weapons "is used against" an enemy), or even in metaphorical contexts (arguments "is used against" a position).
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested