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
and simultaneously so
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "and simultaneously so" is not commonly used in written English and may sound awkward.
It can be used to emphasize that two actions or states are occurring at the same time, but it may require additional context for clarity. Example: "The project was challenging, and simultaneously so, it was rewarding for the team."
News & Media
Science
Encyclopedias
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
2 human-written examples
I have never met two people so different and simultaneously so joined.
News & Media
It seemed so quintessentially human — so ingenious and simultaneously so profoundly flawed.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
But India absorbs — and absorbs simultaneously — so many shocks, and it goes on.
News & Media
It is practically unavoidable that, because of the limitation of experimental materials or time-related constraint, we often have to keep the number of experiments as small as possible and to consider the effects of many factors and interactions simultaneously so that most of such designs are saturated or nearly saturated.
Networks like Verizon's that use the CDMA technology cannot transmit voice and data simultaneously, so Verizon iPhone users will not be able to look up directions or check e-mail while on a call, for example, as they can with AT&T.
News & Media
It is the ability of our startup community to redefine its reality that makes it so compelling, and yet, simultaneously so riven with flaws.
News & Media
These structures were generated in MD simulations of soot and pyrene simultaneously, so they illustrate how a PAH could be incorporated with the normal soot structure.
Science
In this paper, we perform data-hiding and halftoning simultaneously so that given any grayscale image, the corresponding data-embedded halftone image is generated.
"My arms were cramping from my fingers upward and curling simultaneously so that I could not use one arm to uncurl the other".
News & Media
Just as we are investigating subatomic particles and the outer limits of the planetary system — the large and the small simultaneously — so the inner and the outer are connected".
News & Media
It has a unique capacity for intimate and epic drama simultaneously, so you can do big plays and the audience feels really close to you but it still has size and dimension.
News & Media
Expert writing Tips
Best practice
When using "and simultaneously so", ensure that the connection between the two simultaneous events is clear to avoid ambiguity. It often works best when emphasizing a surprising or contrasting relationship between the events.
Common error
Avoid using "and simultaneously so" in simple sentences where a more direct conjunction like "and at the same time" would suffice. The phrase is best reserved for situations where you want to add emphasis or create a specific stylistic effect.
Source & Trust
81%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "and simultaneously so" functions as a conjunctive adverbial phrase, linking two clauses and emphasizing the temporal overlap and consequence between them. As shown in Ludwig, the phrase often connects clauses that present contrasting or surprising ideas. Ludwig AI notes this phrase is not common.
Frequent in
News & Media
40%
Science
40%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "and simultaneously so" is an acceptable but uncommon conjunctive phrase used to link two clauses while emphasizing their temporal overlap and relationship. Ludwig identifies that it functions to highlight the co-occurrence of events, often with an implied cause-and-effect. While grammatically correct, Ludwig AI suggests that simpler alternatives like "and at the same time" are often more suitable for conveying the same meaning. The phrase has a neutral register being found in news, science and encyclopedia sources, making it appropriate for professional writing and journalistic contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
and at the same time
More common and straightforward way to express simultaneity.
and concurrently
More formal synonym for "at the same time", suitable for technical or academic contexts.
and in parallel
Suggests that two processes or actions are occurring independently but at the same time.
and in unison
Implies a coordinated simultaneity, suggesting actions are happening together harmoniously.
and together
A simpler alternative emphasizing the combined action or state.
and as well
A more casual way of adding information, though less direct in conveying simultaneity.
and also
Similar to "and as well", adding information without strong emphasis on simultaneity.
and subsequently
Implies a sequence, yet can also indicate near simultaneity depending on the context.
and accordingly
Indicates a logical consequence or result occurring alongside another action.
and thus
Similar to 'accordingly', emphasizing causality alongside simultaneity.
FAQs
What does "and simultaneously so" mean?
The phrase "and simultaneously so" means that two things are happening at the same time, often with a sense of consequence or connection between them. It's used to emphasize the simultaneity of two events or states.
When is it appropriate to use "and simultaneously so"?
It's appropriate to use "and simultaneously so" when you want to highlight that two events are happening at the same time and that there is a notable relationship between them. However, simpler alternatives like "and at the same time" might be more suitable in many contexts.
Are there more common alternatives to "and simultaneously so"?
Yes, more common alternatives include "and at the same time", "and concurrently", or simply "and also", depending on the nuance you want to convey.
Is "and simultaneously so" considered formal or informal?
While not strictly formal, "and simultaneously so" leans towards a more elevated or literary style than everyday speech. In most informal contexts, alternatives like "and at the same time" would be preferable.
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
81%
Authority and reliability
3.5/5
Expert rating
Real-world application tested