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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
however at that time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "however at that time" is correct and usable in written English.
You can use it to point out that something different and unexpected happened when a certain event took place. For example, "The company was expecting a large profit, however at that time the market suddenly crashed."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(19)
but at that hour
but at that time
even then
despite the lateness
back then
during that period
but then
but at that juncture
but at that stage
but at that moment
but at that age
but at that point
but at that altitude
but at that elevation
but at that level
unfortunately at that time
even at that time
yet at that time
however at that instant
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
However, at that time, it was not easy to find food.
News & Media
However, at that time, we were unable to prove that Thurlbeck had even received the email.
News & Media
However, at that time billions of people worldwide had still not joined the wave of globalization.
News & Media
However, at that time the technology required to generate such sound waves did not exist.
Encyclopedias
However, at that time there was no evidence of L. salmonis DNA in oyster digestive tissues.
Science
However, at that time we decided to try and use the UART serial interface to power all time keeping ability.
Academia
However, at that time, the commission considered 17 buildings in the currently proposed district as possible individual landmarks.
News & Media
However, at that time it had been firmly decided that neural networks were a dead end in AI research.
News & Media
However, at that time equations were neither written nor conceptualized in terms of such a place-value notation.
Encyclopedias
The inward flora of the island, however, at that time consisted of sea-weed, of which the seeds probably were carried by the wind.
Academia
However, at that time, Britain was still the centre of a vast empire and a powerful intermediary between a weak Europe and a strong United States of America.
News & Media
Expert writing Tips
Best practice
Use "however at that time" to clearly indicate a contrast or change in circumstances within a specific historical or temporal context.
Common error
Avoid using "however at that time" when a simple "however" would suffice. Ensure the temporal aspect is relevant to the contrast you are drawing.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "however at that time" functions as an adverbial phrase, modifying a clause to indicate a contrast that is specifically situated in a particular temporal context. As Ludwig AI confirms, it points out that something different and unexpected happened at that specific time. This highlights a shift or unexpected circumstance.
Frequent in
Science
33%
News & Media
31%
Academia
17%
Less common in
Wiki
5%
Encyclopedias
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "however at that time" is a versatile phrase used to introduce a contrast with specific reference to a past period. Ludwig AI validates its grammatical correctness and common usage. It's frequently found in scientific, news, and academic texts, showing its adaptability across different contexts. When writing, ensure that the temporal aspect is relevant to the contrast you're making, and consider alternatives like "nevertheless then" or "yet in those days" for nuanced variations. As Ludwig's examples show, this phrase is a useful tool for adding temporal depth to your writing and making precise distinctions in your arguments.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
even so at the time
Indicates that despite what was said, the situation happened regardless.
still at that moment
Indicates that something remained true or occurred despite other circumstances.
nevertheless then
Emphasizes the contrast while specifying a point in time, maintains a formal tone.
in contrast then
Directly points out a contrast but maintains time order relation.
yet in those days
Highlights the contradictory nature of the situation during that period.
but during that era
Emphasizes a specific period and introduces a contradictory fact.
conversely in that period
Offers an opposite perspective while referring to a specific time.
nonetheless back then
Implies a contrast with what was previously stated with focus on a less formal context.
on the other hand back then
Introduces an alternative point of view with emphasis on informality.
despite that period
Focuses on a specific timeframe and indicates that something happened in spite of the circumstances.
FAQs
How can I use "however at that time" in a sentence?
You can use "however at that time" to introduce a contrast while specifying a particular moment or period. For example, "The technology was promising; "however at that time", it was too expensive for widespread adoption."
What are some alternatives to using "however at that time"?
Alternatives include "nevertheless then", "yet in those days", or "even so at the time", depending on the specific nuance you want to convey.
Is there a difference between "however at that time" and simply using "however"?
Yes, "however at that time" specifies that the contrast is related to a particular period. Using just "however" implies a general contrast without specifying when it occurred.
When is it appropriate to use "however at that time" instead of "but"?
Use "however at that time" when you want to emphasize both the contrast and the temporal context. "But" is a more general conjunction and doesn't highlight the specific time period. You could replace it with "but during that era".
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested