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 forthwith
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "act forthwith" is correct and usable in written English.
It can be used in formal contexts to indicate that someone should take immediate action without delay. Example: "The committee has decided to act forthwith on the proposed changes to the policy."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
1 human-written examples
It can be helped by insistence that the federal, the state, and the local governments act forthwith on the demand that their cost be drastically reduced.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
It was not clear whether he continued with his mission, but Mwanyongo said: "You stop forthwith to act as a minister of the Malawi government the moment it has been announced.
News & Media
Anyone who doubted, when Emo Philips was the twentysomething star of 80s comedy floorshow Saturday Live, that he could sustain his freaky, whiny voiced man-child act for a whole career is directed to the Pleasance forthwith.
News & Media
"If it had been brought to the board's attention that specific acts of illegality were being committed, it should have directed that relationships with the transgressors be terminated forthwith and Fannie Mae's regulator be advised accordingly," he said.
News & Media
This order is forthwith".
News & Media
"They must be stopped forthwith".
News & Media
This incarceration begins forthwith; step her back".
News & Media
Boot out the unelected peers forthwith!
News & Media
"I am going on leave forthwith".
News & Media
"David needs to be released statim, forthwith, today," Carter said.
News & Media
"This is an act of aggression and will you ask the Secretary of State for Defence and Secretary of State for Foreign Affairs to make a statement about what Her Majesty's Government will do to ensure these illegal incursions into British sovereign waters are stopped forthwith?" The Commons Leader said the Government had protested to Spain through diplomatic channels.
News & Media
Expert writing Tips
Best practice
Use "act forthwith" in formal writing where you want to emphasize the necessity of immediate action, especially in legal or official contexts.
Common error
Avoid using "act forthwith" in casual conversations or informal writing, as it can sound overly formal or pretentious. Opt for simpler alternatives like "act immediately" or "take action now".
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "act forthwith" functions as an adverbial phrase, modifying a verb to indicate the timing of the action. Ludwig AI's analysis, along with the provided examples, confirms its role in specifying that an action should be taken immediately.
Frequent in
News & Media
30%
Science
25%
Formal & Business
20%
Less common in
Encyclopedias
10%
Wiki
10%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "act forthwith" is a formal adverbial phrase indicating the necessity of immediate action. As highlighted by Ludwig AI, it is grammatically correct and most appropriate for formal contexts like legal documents or official communications. While not commonly used in everyday conversation, it effectively conveys urgency. Alternatives such as "act immediately" or "take immediate action" can be used in less formal settings. Understanding its proper context and usage helps ensure clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
act immediately
Replaces 'forthwith' with a more common and direct synonym, reducing formality.
take immediate action
Substitutes "act" with "take action", adding emphasis to the action itself.
proceed without delay
Focuses on the lack of delay, offering a slightly more formal tone.
act promptly
Uses "promptly" as a synonym for "forthwith", keeping a similar level of formality.
take swift action
Emphasizes the speed of the action taken, which can be suitable in urgent situations.
move quickly
A more general phrase that implies speed and immediacy in acting.
execute immediately
Suitable for tasks or orders that require immediate execution.
implement at once
Highlights the immediate implementation of a plan or decision.
start right away
A less formal option that still conveys a sense of immediacy.
jump to it
An informal and emphatic way to say to start acting immediately.
FAQs
What does "act forthwith" mean?
"Act forthwith" means to act immediately, without delay. It's a formal way of saying to take action right away.
When is it appropriate to use the phrase "act forthwith"?
It's appropriate to use "act forthwith" in formal contexts such as legal documents, official communications, or when giving instructions that require immediate compliance. In more informal settings, simpler alternatives may be more suitable.
What can I say instead of "act forthwith"?
You can use alternatives like "act immediately", "take immediate action", or "proceed without delay" depending on the context.
Is "act forthwith" commonly used in everyday conversation?
No, "act forthwith" is not commonly used in everyday conversation. It is more frequently found in formal or legal settings. Using it in casual conversation might sound overly formal or unnatural.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested