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
it wasn't until
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it wasn't until" is correct and usable in written English.
It is used to indicate that something didn't happen until a certain point in time. For example: "It wasn't until I finished my coursework that I had enough time to relax."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(6)
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
But it wasn't until this month.
News & Media
And it wasn't, until last Christmas Eve.
News & Media
Or, it wasn't until recently.
News & Media
It wasn't until then that I knew.
News & Media
It wasn't until 1967 that the I.A.A.F.
News & Media
It wasn't until last year that we made a profit".
News & Media
But it wasn't until last July that work finally started.
News & Media
But it wasn't until August that the doctor diagnosed mesothelioma.
News & Media
(It wasn't until the late 1800s that they were demonized).
News & Media
It wasn't until the third year we had any atmosphere".
News & Media
It wasn't until February that they backed down.
News & Media
Expert writing Tips
Best practice
When using "it wasn't until", ensure the subsequent clause clearly states the event or realization that occurred at the specified time. This helps maintain clarity and avoids ambiguity.
Common error
Avoid using "it wasn't until" when a simpler, more direct sentence structure would be more effective. Overusing this phrase can make your writing sound unnecessarily convoluted.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it wasn't until" functions as an adverbial phrase introducing a clause that specifies the timing of an event. As Ludwig AI confirms, it highlights that a particular action or realization did not occur before a certain point in time.
Frequent in
News & Media
78%
Science
12%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it wasn't until" is a versatile adverbial phrase used to emphasize the timing of an event or realization. As Ludwig AI states, it is grammatically correct and commonly used across various contexts, particularly in news and media. To use it effectively, ensure the subsequent clause clearly states the event that occurred. While adaptable, overusing this phrase can make writing sound convoluted. Alternatives like "not until then" or "only at that point" can provide similar emphasis. As a final consideration, keep in mind the neutral register that the phrase has.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not until then
Directly indicates that something did not happen before a specific time.
it only happened then
Rephrases the event, focusing on its exclusive timing.
only at that point
Emphasizes the singularity of the moment when something occurred or became known.
up to that time, it hadn't
Presents the inverse, noting the absence of the event until then.
solely at that moment
Suggests that something was exclusively possible at a specific point.
not before that occasion
Highlights the temporal exclusivity of the event.
prior to that, it was not
Similar to the previous one, it emphasizes what didn't happen before a certain point
merely at that instant
Highlights the narrow window of time when something happened.
at no other time
Emphasizes that the event was unique to that particular moment.
just then
Implies a sudden or unexpected occurrence at a specific time.
FAQs
How can I use "it wasn't until" in a sentence?
Use "it wasn't until" to emphasize that something didn't happen before a specific point in time. For example: "It wasn't until midnight that I finished my work".
What are some alternatives to "it wasn't until"?
Alternatives include "not until then", "only at that point", or simply rephrasing the sentence to highlight the timing.
Is "it wasn't until" formal or informal?
"It wasn't until" is suitable for both formal and informal writing contexts, depending on the overall tone and style of the piece.
What's the difference between "it wasn't until" and "only when"?
Both phrases indicate a condition that triggers an event, but "it wasn't until" emphasizes the passage of time, while "only when" focuses on the condition itself. Example: "Only when I studied hard did I pass the exam" versus "It wasn't until I studied hard that I passed the exam".
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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