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
constant
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'constant' is correct and usable in written English.
You can use it to describe something that is unchanging, consistent, or enduring, such as in the phrase "the constant rhythm of the waves."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
There were dark nights for Rudd after his defenestration but it remained a constant comfort that he had never been rejected by the Australian people.
News & Media
Gillard backer Gary Gray said he had agreed to stay on as resources minister, but was still blunt in his assessment that Gillard's leadership had been killed off by a constant campaign of destabilisation by Rudd supporters.
News & Media
"The Farc need constant reassuring because they are very, very mistrustful," Shifter says.
News & Media
He pointed out that having founded the FN and "led it during a period of 40 years of constant adversity" he considered himself a good "locomotive" to head the local regional election campaign.
News & Media
And the constant pursuit of the economic and military advantage and superiority which scientific invention and technology confer is an essential component of a world-view that changes the realities on the ground.
News & Media
And it came as the new prime minister Kevin Rudd also said he was worried that the constant arrival of asylum seekers by boat would see "the fragmentation of support" for Australia's migration system.
News & Media
In Auschwitz, "We lived in a constant state of high alert.
News & Media
It was repeated throughout the show's three hours as a constant reminder to listeners that – whatever Barclays' staggeringly broad sins of the past (mis-selling, rigging interest rates, violating sanctions) – it is now firmly on the side of the angels.
News & Media
"No other country in Europe offers such potential," he says as cranes in constant motion move containers from ship to dock outside.
News & Media
But attracting and keeping talented trustees, non-executive directors (Neds) and senior managers is a constant test.
News & Media
These thefts, and the frequent contests which they produce, have for some time furnished a constant fund of amusement to the bystanders.
News & Media
Expert writing Tips
Best practice
Use "constant" to describe something that remains unchanged over a period of time or throughout a process. For example, "The speed of light is a constant in physics."
Common error
Avoid using "constant" when you mean something that happens often but not all the time. "Frequent" is better for describing recurring events; "constant" implies uninterrupted continuation.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The word "constant" primarily functions as an adjective, modifying nouns to indicate a state of being unchanging, continuous, or regularly recurring. Ludwig AI confirms its correct and frequent usage in written English.
Frequent in
News & Media
65%
Science
15%
Formal & Business
10%
Less common in
Encyclopedias
3%
Wiki
3%
Social Media
4%
Ludwig's WRAP-UP
In summary, "constant" functions as an adjective denoting something unchanging, continuous, or consistent. Ludwig AI confirms its proper and frequent use across various contexts, particularly in news, science, and business. While alternatives like "continuous" or "steady" exist, "constant" uniquely emphasizes unwavering stability. Remember to use "constant" for uninterrupted occurrences and avoid confusing it with "frequent". With a high source quality score and expert rating, "constant" remains a valuable word in the English language.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
consistent
Emphasizes the agreement or uniformity over time or instances.
continuous
Focuses on the unbroken sequence or flow of something.
unceasing
Emphasizes the uninterrupted nature, often used for negative situations or efforts.
incessant
Highlights the repetitive and often annoying nature of something.
steady
Suggests a stable and consistent rate or level.
perpetual
Implies an endless or indefinitely long duration.
unwavering
Highlights steadfastness and resistance to doubt or change.
stable
Highlights the resistance to change or disruption.
fixed
Suggests being firmly in place or not subject to change.
immutable
Emphasizes the unchangeable and permanent quality of something.
FAQs
How can I use "constant" in a sentence?
You can use "constant" to describe something that is unchanging or continuous, such as "The "constant noise" of the city kept me awake" or "She was a "constant source of support" during a difficult time".
What can I say instead of "constant"?
Alternatives to "constant" include "continuous", "perpetual", "steady", or "consistent", depending on the specific context.
Is it correct to say "constant and consistent"?
While both words suggest a lack of change, using "constant and consistent" can be redundant. "Constant" often implies continuity over time, while "consistent" suggests uniformity across different instances or conditions. Choose the word that best fits the nuance you want to convey, or use one of the words on its own.
What's the difference between "constant" and "continual"?
"Constant" implies something happens without interruption, while "continual" means something happens repeatedly with intervals. A "constant" flow is unbroken; a "continual" flow has pauses but recurs. Use "constant flow" when there's no stopping, while use "continual flow" when there are breaks.
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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
4.5/5
Expert rating
Real-world application tested