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
act
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "act" is correct and usable in written English.
You can use it as a noun or a verb. Example Sentence: In order to improve the safety of the neighborhood, she took the initiative to act by organizing a neighborhood watch.
✓ Grammatically correct
News & Media
Formal & Business
Science
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
We will act differently from the Government we replace: we hear the anguish of our citizens and intend to respond accordingly.
News & Media
The extended scope of the bill may follow some of the recommendations of the intelligence and security committee (ISC), which suggested in March that the entire existing surveillance legal framework should be replaced by a single new act of parliament.
News & Media
The repeated refusal of GPs, social housing officers and social security staff to act as immigration officers also means that if more robust residence tests are to be introduced for other EU nationals then an easy and authoritative way is needed of checking how long they have been in the country and what their immigration status is.
News & Media
He will be a hard act to follow.
News & Media
In response, it cleaned up its act, and thereby lifted the bar for the entire industry.
News & Media
The first that other judges knew of his plan to contest the appointment of Boddice – who had been nominated two months earlier under a 20-year protocol – was a public statement the next day that it was "a matter for the chief justice under the electoral act".
News & Media
The same day, Carmody issued a media statement via a spokesman that "the constitution of the court of disputed returns is a matter for the chief justice under the electoral act".
News & Media
Last year's choice of the Organisation for the Prohibition of Chemical Weapons in hindsight seems a similar act of wishful thinking.
News & Media
In a design statement that verges on farce, Mayne describes the proposal as "a minimalist act that reiterates the site and offers to the viewer a mirrored, refracted perspective of the landscape".
News & Media
But her supporters and her party have not yet learned the lessons of her act of hubris.
News & Media
Clegg's warm-up act was Lib Dem president Sal Brinton, who reinforced the sense that this election is becoming a comically unedifying turf war over meaningless bits of vocabulary.
News & Media
Expert writing Tips
Best practice
When using "act" as a verb, ensure the context clearly indicates the type of action being performed. For clarity, specify what is being acted upon or the manner in which the action is carried out.
Common error
Avoid using "act" as a generic placeholder for more descriptive verbs. Instead of saying "They will act on the proposal", specify the action: "They will approve", "They will reject", or "They will revise" the proposal.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The word "act" functions as both a verb and a noun. As a verb, it denotes performing an action or behaving in a certain manner. As a noun, it refers to a deed, statute, or part of a performance. According to Ludwig AI, the word "act" is correct and usable in written English.
Frequent in
News & Media
59%
Formal & Business
20%
Science
21%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The word "act" is a versatile term that functions as both a verb and a noun, denoting the performance of an action or referring to a specific deed or statute. Ludwig AI confirms its correctness and usability in written English. Its usage spans various contexts, from formal legal documents to everyday conversations, and its formality level adapts to the situation. As evidenced by the numerous examples, "act" is a very common word, appearing frequently in news articles, business reports, and scientific publications. Related phrases include "take action", "perform", and "behave", each offering nuanced ways to express similar ideas.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
take action
Emphasizes the initiation of activity or intervention to achieve a particular outcome.
perform
Focuses on the execution or carrying out of a task, duty, or role.
behave
Highlights the manner in which someone conducts themselves in a particular situation.
function
Refers to the way something works or operates, often within a system or process.
operate
Stresses the practical application or working of a machine, system, or organization.
execute
Implies the carrying out of a plan, order, or course of action with precision and efficiency.
enact
Specifically denotes the formal passing or making of a law or decree.
implement
Highlights the process of putting a decision or plan into effect.
undertake
Suggests the taking on of a responsibility or project.
engage in
Indicates active participation or involvement in an activity or process.
FAQs
How can I use "act" in a sentence?
You can use "act" as a verb meaning to do something, as in "If you don't "act soon", you will be in trouble". It can also be used as a noun, referring to a deed or statute, such as "an "act of goodwill"".
What are some synonyms for the verb "act"?
What's the difference between "act" and "action"?
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested