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
at varied intervals
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at varied intervals" is correct and usable in written English.
It can be used to describe actions or events that occur at different or irregular times. Example: "The maintenance team checks the equipment at varied intervals to ensure everything is functioning properly."
✓ Grammatically correct
News & Media
Science
Academia
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
3 human-written examples
Explosions have been ringing out at varied intervals overnight, with the stated aim of authorities being to intimidate Merah, tire him out and convince him that there is no escape, while putting themselves and others in as little danger as possible.
News & Media
The sconces are placed at varied intervals, which sets a rhythm for the viewer's eyes to travel around the room in a continuous loop.
News & Media
Repeated series designs should inform the impact of the decision board at varied intervals throughout pregnancy, while focus group interviews will provide a means to help ensure that content is both comprehensive and relevant given the varied circumstances and needs of pregnant women.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
To examine how worms responded to vibrations caused by a digging mole, a section of a recording representing a single scratch (Figure 6, C1) was copied into a new file and repeated at varied time intervals with silence between scratches (Figure 6, C2).
Science
The triangulation system did not record location data at pre-defined intervals, but rather signals were triggered by movement resulting in varied intervals between location data points.
Science
Moreover, dynamic tensile tests are performed at varied strain rates.
Mud viscosity data at varied shear rates and varied temperatures are presented in Fig. 5.
Gellan gum was added to water at varied concentrations.
Pieces are offered at varied sizes and lengths.
News & Media
We conducted experiments at varied levels of proBias.
Science
Many pools offer lap swimming at varied rates of speed.
Wiki
Expert writing Tips
Best practice
Use "at varied intervals" to indicate that actions or events occur at irregular or different time spacings. This can be useful when describing processes that don't follow a strict schedule or pattern.
Common error
Avoid using "at varied intervals" when you actually mean 'at regular intervals'. "Varied" implies a lack of uniformity, while "regular" indicates a consistent pattern.
Source & Trust
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at varied intervals" functions as an adverbial phrase, modifying a verb or clause to specify when or how frequently an action occurs. As Ludwig AI underlines, the phrase indicates that the action happens at differing time spacings.
Frequent in
News & Media
33%
Science
33%
Academia
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "at varied intervals" is a grammatically sound adverbial phrase used to describe actions or events that occur at irregular or different time spacings. Ludwig AI confirms its correctness and usability. While not extremely common, it appears in various contexts, including news, science, and academic writing. When using this phrase, ensure that the meaning of irregular timing is accurately conveyed, and avoid confusing it with "at regular intervals". Alternatives such as "at irregular intervals" or "sporadically" may be suitable depending on the specific context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
at irregular intervals
Replaces "varied" with "irregular", suggesting a lack of consistent pattern.
at different intervals
Substitutes "varied" with "different", highlighting the distinctness of the time separations.
at various intervals
Uses "various" instead of "varied", emphasizing the diversity of the time separations.
at random intervals
Replaces "varied" with "random", implying a completely unpredictable sequence.
sporadically
Offers a single-word adverb to describe events occurring occasionally and without a predictable pattern.
intermittently
Suggests a stopping and starting pattern, replacing the idea of variation with one of breaks.
periodically
Indicates recurrence, but not necessarily at consistent or predictable times.
at shifting intervals
Implies that the spacing is changing over time, rather than simply being diverse.
unevenly spaced
Focuses on the spatial or temporal distribution being not uniform.
at fluctuating intervals
Highlights the oscillating nature of time intervals.
FAQs
What does "at varied intervals" mean?
The phrase "at varied intervals" means that something happens at different or irregular time spacings, without a fixed or predictable pattern.
What is a good substitute for "at varied intervals"?
Depending on the context, you can use alternatives like "at irregular intervals", "at different intervals", or "sporadically".
How can I use "at varied intervals" in a sentence?
For example, you could say, "The technician checked the equipment "at varied intervals" to ensure it was functioning correctly."
Is "at varied intervals" the same as "at regular intervals"?
No, "at varied intervals" and "at regular intervals" have opposite meanings. "At varied intervals" implies irregularity, while "at regular intervals" implies consistency.
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
4.3/5
Expert rating
Real-world application tested