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
or then
Grammar usage guide and real-world examplesUSAGE SUMMARY
'Or then' can be considered a grammatically correct phrase, but it is not commonly used in written English.
It is more commonly used in spoken language as a replacement for "or else." Example: "You better come with us, or then you'll be left behind."
News & Media
Science
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
57 human-written examples
Or then, maybe not.
News & Media
Or, then again, perhaps they aren't.
News & Media
Or then again, it's Call Me Dave.
News & Media
Or then again, maybe he didn't.
News & Media
Or then again you might not.
News & Media
Or, then as now, not quite dead yet.
News & Media
(Or, then again, don't, because sounds this modern shun context).
News & Media
Does "on some days" refer to now or then?
News & Media
Or then again, it could be a subtle attempt to inflict death by debating.
News & Media
So don't judge those beach reads on first impressions – or then again, maybe you should.
News & Media
Or, then again, it could have all been due to The Matrix's unusually tempting trailer.
News & Media
Expert writing Tips
Best practice
In formal writing, replace "or then" with more precise alternatives like "otherwise", "in that case", or "alternatively" to enhance clarity and avoid ambiguity.
Common error
Avoid relying heavily on "or then" in professional or academic documents; it can make your writing sound less polished. Opt for stronger, more direct transitional phrases for a more impactful effect.
Source & Trust
83%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "or then" functions primarily as a conjunction, introducing an alternative or a consequence. It often connects two possibilities, suggesting that if one condition is not met, the other will occur. Ludwig examples show its usage in various contexts, from news to science.
Frequent in
News & Media
78%
Science
15%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "or then" functions as a conjunction to introduce alternative scenarios or potential outcomes. While grammatically acceptable, it's more common in spoken language and neutral contexts. Ludwig's analysis of various sources indicates it is frequently used in News & Media but less appropriate for formal or academic writing, where alternatives like "otherwise" or "in that case" may provide greater clarity. When in doubt, consider the context and choose the option that best suits your intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
otherwise
Expresses a condition where the consequence will occur if the first condition isn't met.
in that case
Highlights the consequence that follows from a certain condition or situation.
if so
Indicates an action or result that will occur if a preceding statement is true.
alternatively
Presents another option or possibility.
in turn
Suggests a sequence of events where one action leads to another.
subsequently
Indicates an event that happens after another, implying a temporal sequence.
thereupon
A more formal way of saying "immediately after that".
as a result
Highlights the consequence of a preceding action or condition.
henceforth
Indicates a point in time from which something will occur.
from now on
Specifies that something will start at the present time and continue into the future.
FAQs
What does "or then" mean?
"Or then" typically introduces an alternative or a consequence. It's similar to saying "otherwise" or "in that case". It can also be used to mark a temporal sequence, similar to "and then".
What are some alternatives to "or then"?
You can use alternatives like "otherwise", "in that case", or "alternatively" depending on the context.
Is "or then" grammatically correct?
While not incorrect, "or then" is less common in formal written English. It's more frequently used in spoken language. Ludwig AI indicates that the phrase is acceptable, but suggests using alternatives for clarity in formal contexts.
When should I avoid using "or then"?
Avoid using "or then" in formal writing, such as academic papers or professional reports. In such contexts, using more precise alternatives like "otherwise", "in that case", or "alternatively" will enhance clarity.
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
3.9/5
Expert rating
Real-world application tested