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
it is sustained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is sustained" is correct and usable in written English.
You can use it when referring to something that is maintained or continued over a period of time. Example: "The quality of the product is impressive, and it is sustained through rigorous testing and quality control measures."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
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 pigeye shark is viviparous; like in other requiem sharks, after the developing embryo depletes its supply of yolk, it is sustained to term by its mother through a placental connection formed from the empty yolk sac.
Wiki
Frankly it persists too long, though it is sustained by its tonal mix of acerbity and tenderness, and by a vein of black comedy.
News & Media
It is sustained by its annual campaign for a March of Dimes, which falls appropriately, and now triumphantly, on the birthday of the first President to bear his great office with one-half of his body withered by this old disease.
News & Media
Chinese property investment may be inefficient, but it is sustained by a huge, growing and sustainable demand for new housing.
News & Media
If it is sustained, the desire for change might prove irresistible elsewhere.In this section Is this really the end?
News & Media
Instead, it is sustained by peaceful coexistence.
News & Media
Development is not just change, it is sustained change.
News & Media
What are other important policy steps needed to accelerate growth and ensure it is sustained?
News & Media
If there is such a thing in the fight game as justice it is sustained not by humanitarianism but greed.
News & Media
Kenya and a few others see occasional spats of communal violence, but none of it is sustained.
News & Media
But the outcome depends heavily on how the plan is designed and carried out and whether it is sustained.
News & Media
Expert writing Tips
Best practice
Use "it is sustained" to emphasize the ongoing support or maintenance of a process, idea, or system. For example, "The project's success is sustained by continuous monitoring and adjustments."
Common error
Avoid using "it is sustained" when you mean something has just begun. "Sustained" implies continuation, not initiation. For example, instead of "The impact is sustained from today", use "The impact starts from today."
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is sustained" primarily functions as part of a passive voice construction, indicating that a subject receives or undergoes the action of being maintained or supported. As Ludwig AI indicates, this is a common and correct construction.
Frequent in
News & Media
39%
Science
36%
Encyclopedias
9%
Less common in
Formal & Business
7%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it is sustained" is a grammatically sound and commonly used expression that indicates something is being maintained or supported over time. Ludwig AI confirms its correctness and usability in various contexts. Predominantly found in News & Media and Scientific domains, the phrase carries a neutral to formal tone. When using this phrase, ensure you're emphasizing the ongoing support or maintenance rather than the initiation of something. Consider alternatives like "it is maintained" or "it is supported" for subtle variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is maintained
Replaces 'sustained' with 'maintained', focusing on the act of keeping something in its current state.
it is upheld
Substitutes 'sustained' with 'upheld', emphasizing the act of supporting or defending something.
it is supported
Replaces 'sustained' with 'supported', highlighting the provision of assistance or resources.
it is continued
Uses 'continued' instead of 'sustained', focusing on the uninterrupted progression of something.
it is prolonged
Emphasizes the extension of something over a period of time.
it is fueled
Replaces 'sustained' with 'fueled', focusing on the source of energy or motivation.
it is nourished
Substitutes 'sustained' with 'nourished', highlighting the provision of essential elements for growth or development.
it is preserved
Focuses on protecting something from damage or decay.
it is perpetuated
Emphasizes the act of causing something to continue indefinitely.
it is reinforced
Replaces 'sustained' with 'reinforced', stressing the strengthening or bolstering of something.
FAQs
How can I use "it is sustained" in a sentence?
The phrase "it is sustained" indicates that something is being maintained or continued. For example, "The economic growth is sustained by increased exports."
What are some alternatives to saying "it is sustained"?
You can use alternatives like "it is maintained", "it is supported", or "it is continued" depending on the specific context.
Is it correct to say "it is sustain" instead of "it is sustained"?
No, "it is sustain" is grammatically incorrect. The correct form is "it is sustained", where "sustained" is the past participle of the verb "sustain".
What's the difference between "it is sustained" and "it sustains"?
"It is sustained" indicates that something is being acted upon and maintained by an external force, whereas "it sustains" means that something has the ability to maintain or support something else.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested