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
sustain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sustain" is correct and usable in written English.
It can be used when discussing the ability to maintain or support something over time, such as an action, condition, or process. Example: "To achieve long-term success, we must find ways to sustain our efforts and resources."
✓ 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
So many grouse-guzzling hen harriers thriving in the area meant the grouse population was reduced too far to sustain a commercial shoot.
News & Media
If it wishes to sustain public service broadcasting there needs to be certain things that help sustain it, that you trade for those [PSB] obligations and one of those things historically has been EPG prominence," he added.
News & Media
On the Iraqi front, analysts say the US has to decide how many more victories by Isis it can sustain before increasing support to the underperforming Baghdad government forces on the ground.
News & Media
We don't need to sustain clowning if clowning has become anachronistic.
News & Media
This budget really throws off any hope that mining might sustain us.
News & Media
JH: But the problem is, how are the scriptwriters going to sustain all this?
News & Media
"In particular, I believe that we should be working closely together in identifying opportunities for building north-south economic development, and make sure that those opportunities become a reality in a way that will build jobs and sustain communities on both sides of the border," Gilmore said.
News & Media
Instead I hold it secretly to sustain me".
News & Media
"Mangroves sustain the people who sustain the mangroves," Pisit Charnsnah, the founder and director of Thailand's Yadfon Foundation, once said.
News & Media
Levine says you have to play the long game: "If the journey is not the journey of your lifetime it is going to be very hard to sustain that".
News & Media
Facebook Twitter Google plus Share Share this post Facebook Twitter Google plus close 1.22pm BST13:22 Vic Marks writes from Worcestershire Let me sustain the literary theme briefly.
News & Media
Expert writing Tips
Best practice
When writing about environmental issues, use "sustain" to emphasize the importance of maintaining ecological balance and resources for future generations.
Common error
Avoid using "sustain" when "support" or "maintain" more accurately reflect the intended meaning. "Sustain" implies a longer-term, more comprehensive effort to keep something viable or in existence.
Source & Trust
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The word "sustain" primarily functions as a verb, indicating the act of maintaining, supporting, or prolonging something. It can also function as a noun, describing a mechanism used to hold a note in music, as shown in Ludwig. It follows standard grammar rules, as confirmed by Ludwig AI.
Frequent in
News & Media
69%
Formal & Business
10%
Science
6%
Less common in
Opinion
4%
Sport
4%
Arts
3%
Ludwig's WRAP-UP
In summary, "sustain" is a versatile verb used to express the act of maintaining, supporting, or prolonging something. As Ludwig AI confirms, the word adheres to standard grammar rules and is frequently encountered in diverse contexts, particularly in news, business, and scientific domains. While alternatives like "maintain", "support", and "preserve" exist, "sustain" often emphasizes a continuous and comprehensive effort. When writing, ensure that "sustain" accurately reflects the intended meaning of providing long-term viability or support. With its correct and consistent usage, "sustain" enriches written and spoken communication across various fields.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
maintain
Focuses more on keeping something in its current state without necessarily implying support or nourishment.
support
Highlights the act of providing assistance or resources to keep something functioning or existing.
uphold
Implies a more active defense or maintenance of a principle, law, or decision.
preserve
Emphasizes keeping something safe from harm or decay, often in its original condition.
continue
Indicates the ongoing nature of an action or state, without necessarily implying active effort.
prolong
Focuses on extending the duration of something, often implying a finite lifespan.
nourish
Specifically relates to providing sustenance or care for growth and development.
bolster
Suggests strengthening or reinforcing something that is already in place.
underpin
Highlights the foundational support that enables something to exist or function.
carry on
An idiomatic expression indicating the continuation of an activity, often despite difficulties.
FAQs
How can I use "sustain" in a sentence?
You can use "sustain" to describe maintaining something over time, like "We need to find ways to "sustain economic growth"" or "The diet helped her "sustain energy levels" throughout the day".
What are some alternatives to "sustain"?
Is it correct to say "sustain" instead of "maintain"?
While both words can be used to describe keeping something going, "sustain" often implies providing resources or support to ensure its continuation, whereas "maintain" focuses more on keeping something in its current state.
What's the difference between "sustain" and "support"?
"Sustain" suggests a continuous effort to keep something viable or functioning, while "support" can refer to providing temporary or intermittent assistance. To "sustain" something implies a longer-term commitment.
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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
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested