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
occur concurrently
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "occur concurrently" is correct and usable in written English.
You can use it to describe when two or more events are happening at the same time. For example, "In the summer months, visitors and warm temperatures usually occur concurrently."
✓ Grammatically correct
Science
News & Media
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
60 human-written examples
Those developments could occur concurrently tomorrow.
News & Media
Can we develop tools that incentivize dismantlement and verification, as well economic benefits, to occur concurrently?
News & Media
It's also true that in many instances, IT PM steps occur concurrently or out of order.
These effects occur concurrently with increased global H3 histone acetylation and BDNF levels.
Science
JXG and Langerhans' cell disease may occur concurrently, before or after each other, in some children.
Over-synchronization. Another common error is to over-synchronize a program, so that non-conflicting operations cannot occur concurrently.
This phenomenon of transformation of etch-pit shapes appears to occur concurrently with gamma prime nucleation and growth.
Science
Moreover, the formation of nanocrystallites at the grain boundary and triple junction was also observed to occur concurrently with straining.
Science
Bioprocesses are contingent on the metabolic activity of microorganisms which is subject to dynamic variations as environmental changes occur concurrently.
Science
The two types of information required to encompass the colour values (hue and saturation) do not occur concurrently, and the errors associated with simultaneous amplitude and phase modulation do not occur.
Encyclopedias
The above-mentioned mechanisms may occur concurrently.
Expert writing Tips
Best practice
When describing complex processes, use "occur concurrently" to clearly indicate that multiple steps or events are happening at the same time, improving clarity and comprehension.
Common error
Avoid using "occur concurrently" in simple sentences where more common phrases like "happen at the same time" would be more appropriate. Overusing formal language can make your writing sound stilted.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "occur concurrently" functions as a conjunction phrase linking two or more events or processes that transpire at the same time. Ludwig confirms this usage, showcasing its prevalence in various contexts.
Frequent in
Science
79%
News & Media
12%
Academia
9%
Less common in
Encyclopedias
1%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "occur concurrently" is a grammatically sound and frequently used expression, as confirmed by Ludwig, primarily used to indicate that two or more events or processes happen at the same time. Its formality makes it suitable for scientific, academic, and professional contexts. While effective in conveying simultaneity, it should be used judiciously, avoiding overuse in simple sentences where more common alternatives like "happen at the same time" would suffice. Remember to consider the semantic nuances of related phrases like "happen simultaneously" or "co-occur" to choose the most precise expression for your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
happen simultaneously
Focuses on the precise timing of events, suggesting they start and end at the same moment.
take place at the same time
A more general way to express concurrence, suitable for various contexts.
co-occur
A more concise and technical term, often used in scientific and academic writing.
exist in tandem
Emphasizes the cooperative or coordinated nature of the concurrent events.
unfold together
Suggests a gradual and related development of multiple events.
transpire concurrently
A more formal and literary way to say "occur concurrently".
coexist
Highlights the simultaneous existence of different entities or states.
run parallel
Implies a similarity or connection between the concurrent events.
happen in unison
Focuses on the coordinated and harmonious nature of the concurrent events.
arise together
Emphasizes the simultaneous emergence or beginning of multiple events.
FAQs
How can I use "occur concurrently" in a sentence?
Use "occur concurrently" to describe events or processes that happen at the same time. For example, "The data collection and analysis will "occur concurrently"."
What are some alternatives to "occur concurrently"?
You can use alternatives such as "happen simultaneously", "take place at the same time", or "co-occur" depending on the context.
Is "occur concurrently" formal or informal?
"Occur concurrently" is generally considered a formal phrase, often used in scientific, academic, or professional writing. In more casual contexts, simpler phrases like "happen at the same time" might be more suitable.
What is the difference between "occur concurrently" and "happen simultaneously"?
While both phrases indicate events happening at the same time, "happen simultaneously" often implies a more precise and coordinated timing, whereas "occur concurrently" can suggest a more general overlap in time.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested