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 acted upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is acted upon" is correct and usable in written English.
It can be used in contexts where you want to describe something that is receiving an action or influence from another entity. Example: "In this experiment, the object is acted upon by various forces to observe its behavior."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
is influenced by
is affected by
is subjected to
is exposed to
is driven by
is controlled by
is governed by
is determined by
is shaped by
is conducted upon
is reflected upon
is acquired upon
is enacted upon
is affected upon
is demonstrated upon
is accepted upon
is directed upon
is effected upon
is agreed upon
is fired upon
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
The patient is one who is acted upon.
News & Media
In the passive voice, the subject is acted upon.
News & Media
We also have six-monthly appraisals and feedback is acted upon.
News & Media
David Cameron has emphasised educational reform, a welcome aspiration so long as it is acted upon.
News & Media
It is acted upon by the person's weight and any other pressure forces transmitted along the spine.
Encyclopedias
Please ensure that this message is passed quickly to all members in your area and that it is acted upon.
News & Media
Many students choose not to pay up, running the risk of further litigation if their case is acted upon.
News & Media
The initial food item thus serves as a substrate that is acted upon by microorganisms during the period of incubation.
Encyclopedias
The top plate, which the excitation is acted upon, exhibits the behaviour of a single infinite plate.
A non-uniformly tensioned circular string on a damped elastic foundation is acted upon by a moving concentrated load.
Neither does it entirely sidestep the episodic nature of the narrative in which Alice is acted upon but doesn't have real agency.
News & Media
Expert writing Tips
Best practice
When using the phrase "is acted upon", ensure the subject receiving the action is clearly defined to avoid ambiguity. For example, instead of saying 'the data is acted upon', specify 'the data is acted upon by the algorithm'.
Common error
Avoid using "is acted upon" when an active voice construction is more direct and clear. For instance, instead of 'the decision is acted upon by the committee', use 'the committee acts upon the decision'.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is acted upon" functions as a passive voice construction, indicating that the subject receives the action rather than performing it. Ludwig AI demonstrates its usage across various contexts, confirming its grammatical correctness.
Frequent in
Science
36%
News & Media
31%
Encyclopedias
13%
Less common in
Academia
5%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "is acted upon" is a grammatically sound passive construction used to describe when a subject is the recipient of an action. Ludwig AI confirms its frequent use in various contexts, particularly in scientific, news, and encyclopedic sources. While grammatically correct, careful consideration should be given to whether an active voice construction would provide greater clarity. When using the phrase, it's crucial to specify the subject and the acting force to avoid ambiguity. Alternatives such as "is influenced by" or "is affected by" can be used depending on the specific nuance desired.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is influenced by
This alternative suggests a more general form of impact, implying less direct force.
is affected by
Similar to 'influenced', but often implies a change or alteration as a result of the action.
is subjected to
This suggests a more forceful or involuntary experience of the action.
is exposed to
Implies contact or proximity to something that causes an action or effect.
is operated on
More specific to physical actions or procedures being performed.
is driven by
Suggests that something is motivated or propelled by an action.
is controlled by
Implies regulation or command by an external entity.
is governed by
Similar to 'controlled', but often used in the context of rules or laws.
is determined by
Indicates that the outcome or state is a direct result of a specific action or factor.
is shaped by
Implies that something is molded or formed by the ongoing action or influence.
FAQs
How is "is acted upon" used in scientific writing?
In scientific contexts, "is acted upon" is often used to describe how a substance or object is affected by a force or process. For example, "The enzyme is acted upon by an inhibitor."
What are some alternatives to "is acted upon"?
You can use alternatives like "is influenced by", "is affected by", or "is subjected to" depending on the context.
Is it better to use an active or passive voice with "is acted upon"?
While "is acted upon" is grammatically correct in the passive voice, using the active voice often results in clearer and more concise writing. Consider rewriting to highlight the actor instead of the recipient of the action.
What does it mean when something "is acted upon"?
When something "is acted upon", it means that it is the recipient of an action, force, or influence. It implies that an external agent or factor is causing a change or effect on the subject.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested