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
slacken off
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "slacken off" is correct and usable in written English.
It can be used to indicate a reduction in intensity, effort, or pressure in a situation or task. Example: "After weeks of intense training, the coach decided to slacken off the practice schedule to give the athletes some much-needed rest."
✓ Grammatically correct
News & Media
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
17 human-written examples
It's fantastic that they did not slacken off but went on to score even more goals.
News & Media
And now that everyone knows that the Fed is eager to slacken off, it will be hard to get interest rates back down to where they were.
News & Media
Well might the Chinese slacken off a little, even though the long-term consequences will be dire, according to the country's leaders.
News & Media
This is not the time to slacken off or give up because if we get this right, the prize is huge.
News & Media
Manager Manuel Pellegrini has made clear he does not intend to slacken off in any competition and Aguero insists Watford - beaten by City in the third round last year - will not be taken lightly.
News & Media
Tenzing himself, now in his forties, is near the age when Sherpa climbers must slacken off, and that he can do so in such unprecedented circumstances is inevitably resented.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Security has noticeably slackened off at Weymouth.
News & Media
"I slackened off," he said of his golf.
News & Media
Asia's toughening approach contrasts with a slackening off in the West.
News & Media
The decision follows a slackening off in donations as the global financial crisis bites.
News & Media
Mr Frank reckons that many people would like to work less, if only others slackened off also.
News & Media
Expert writing Tips
Best practice
Use "slacken off" when you want to convey a decrease in effort, intensity, or strictness. It's suitable for describing a reduction in training, work pace, or enforcement of rules.
Common error
While "slacken off" is widely understood, it can sound informal in professional or academic writing. Opt for more formal alternatives like "reduce intensity" or "scale back" to maintain a professional tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "slacken off" functions primarily as an intransitive verb, indicating a reduction in intensity, effort, or pace. Ludwig confirms the usability of the phrase in various contexts.
Frequent in
News & Media
47%
Science
29%
Wiki
8%
Less common in
Formal & Business
8%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "slacken off" is a common phrasal verb used to describe a reduction in effort, intensity, or strictness. Ludwig confirms its correct usage in various contexts. While broadly applicable, it's advisable to use more formal alternatives in professional or academic writing. As shown by Ludwig, it appears often in News & Media sources. Related phrases include "ease up", "let up", and "slow down". Be mindful to adjust the language depending on the formality of the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ease up
Focuses more on reducing effort or pressure.
let up
Implies a temporary reduction in intensity or effort.
slow down
Specifically refers to reducing speed or pace.
take it easy
Suggests a more relaxed approach.
wind down
Implies a gradual decrease in activity or intensity, often towards the end of something.
scale back
Suggests a reduction in scope or size.
decelerate
A more formal term for slowing down.
reduce intensity
More explicit about lessening the level of effort or force.
become less strict
Emphasizes a relaxation of rules or enforcement.
moderate
Indicates a lessening of extremity or excessiveness.
FAQs
How can I use "slacken off" in a sentence?
You can use "slacken off" to describe a reduction in effort or intensity, as in "After the busy season, we can finally "slacken off" a bit" or "The rain began to "slacken off" in the afternoon".
What can I say instead of "slacken off"?
Is it correct to say "slack off" instead of "slacken off"?
Yes, "slack off" is a common variant of "slacken off" and carries the same general meaning. However, "slacken off" may sometimes imply a more gradual or controlled reduction.
What's the difference between "slacken off" and "become less strict"?
"Slacken off" generally refers to a reduction in effort or intensity, while "become less strict" specifically implies a relaxation of rules or enforcement. You might "slacken off" on your workout routine, but a teacher might become less strict with deadlines.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested