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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 the selfsame time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at the selfsame time" is correct and usable in written English.
It can be used to indicate that two or more events are happening simultaneously. Example: "She managed to study for her exams and work a part-time job at the selfsame time."
✓ Grammatically correct
News & Media
Academia
Science
Wiki
Encyclopedias
Alternative expressions(20)
all at once
both at the same news
meanwhile
both at the same moment
at once
both at the same spot
at the same time
contemporaneously
whilst
both at the same rate
side by side
at the same instant
both at the same level
concurrently
in parallel
simultaneously
synchronously
both at the same stage
in unison
both at the same time
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Representative Sentence: "All our lives we've been looking for something, in the end for everything imaginable, and never finding it, always wanting to achieve everything and not succeeding, or else achieving it and losing it at the selfsame moment".
News & Media
At the proper time.
News & Media
"At the appropriate time".
News & Media
At the same time.
News & Media
Not at the same time".
News & Media
Happy at the same time.
News & Media
At the same time, "Sen.
News & Media
No, at the same time.
Science & Research
At the same time, Maj.
Wiki
Post at the right time.
Wiki
Vine at the right time.
Wiki
Expert writing Tips
Best practice
Use "at the selfsame time" to add a touch of formality or emphasis when describing simultaneous events, particularly in written contexts where a more sophisticated tone is desired. Be mindful that the phrase may sound somewhat archaic in modern spoken English.
Common error
Avoid using "at the selfsame time" in casual conversations or informal writing, as it can sound overly pretentious or stilted. Opt for simpler alternatives like "at the same time" or "simultaneously" in such settings.
Source & Trust
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at the selfsame time" functions as an adverbial phrase, modifying a verb or clause to indicate when an action occurs. It emphasizes simultaneity, suggesting that two or more events happen concurrently. Ludwig's examples showcase this function across various contexts.
Frequent in
News & Media
20%
Academia
20%
Science
20%
Less common in
Wiki
15%
Encyclopedias
15%
Formal & Business
10%
Ludwig's WRAP-UP
In summary, "at the selfsame time" is a grammatically correct adverbial phrase used to emphasize the simultaneous occurrence of two or more events. While it's considered somewhat formal and even archaic, it can add emphasis to written contexts. Ludwig indicates that the phrase is usable, though less common than alternatives such as "simultaneously" or "at the same time". Consider the formality of your writing and audience when deciding whether to use this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
simultaneously
This alternative offers a direct and concise way to indicate that two actions occur at the same moment.
concurrently
This term suggests that events happen together or alongside each other in a coordinated manner.
at the same time
A common and straightforward way of expressing simultaneity. It's less formal than the original phrase.
in unison
Implies a coordinated action occurring at the exact same moment, often with a sense of precision.
synchronously
Similar to 'simultaneously' but often used in technical or scientific contexts to denote coordinated timing.
at once
Emphasizes the immediacy and lack of delay in actions occurring together.
contemporaneously
A more formal way to say 'at the same time', implying that events occur within the same period.
meanwhile
Suggests that one event is happening while another is in progress, often implying a contrast or connection.
whilst
Indicates simultaneity but also suggests a degree of contrast or comparison between the events.
in parallel
Implies that processes or actions are occurring alongside each other, often independently but with a shared goal.
FAQs
How can I use "at the selfsame time" in a sentence?
You can use "at the selfsame time" to describe two or more events happening concurrently. For example, 'She was studying for her exams and working a part-time job "at the selfsame time"'.
What are some alternatives to "at the selfsame time"?
Alternatives include "simultaneously", "concurrently", or "at the same time", depending on the context and desired level of formality.
Is "at the selfsame time" formal or informal?
"At the selfsame time" is generally considered a more formal and somewhat archaic way of saying "at the same time". It's best suited for written contexts where a more sophisticated or emphatic tone is desired.
What's the difference between "at the same time" and "at the selfsame time"?
While both phrases indicate simultaneity, "at the selfsame time" carries a stronger emphasis and a more formal tone. "At the same time" is a more common and neutral expression, while "at the selfsame time" is used to add emphasis or a slightly archaic flair.
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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
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested