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
this one time
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this one time" is a correct and usable phrase in written English.
You can use it to refer to a single instance in the past. For example, "This one time, I stayed up all night to finish a project."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
to avoid disruption
not yet completed
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
42 human-written examples
Jane Sibbett Carol Willickk): I was on the lot this one time.
News & Media
This one: Time.
News & Media
"This one time.
News & Media
I'll do this one time".
News & Media
Don and his ex-wife have sex this one time.
News & Media
"Can you just do it this one time?" I said weakly.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
This one-time refund can only be claimed on 2006 tax returns.
News & Media
This one-time injection can restore vision long-term.
Academia
This one-time transaction would generate multiple benefits.
News & Media
"I have this one-time-only window next December".
News & Media
This one-time-only performance event is made entirely from gestures.
Academia
Expert writing Tips
Best practice
Use "this one time" to introduce a memorable or significant anecdote, adding a personal touch to your writing.
Common error
Avoid starting multiple consecutive sentences with "this one time", as it can make your writing sound repetitive and informal. Vary your sentence structure to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this one time" functions as an adverbial phrase, introducing a specific point in the past, and setting the stage for a narrative or anecdote, as showcased in Ludwig's examples.
Frequent in
News & Media
60%
Academia
25%
Formal & Business
5%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "this one time" serves as an adverbial phrase used to introduce anecdotes and personal experiences. Ludwig AI indicates that its grammatical status is correct, although its register leans toward neutral to informal contexts. While not exceptionally frequent, it appears across various sources, including news and media, and academia, providing a personal touch to narratives. When aiming for formal writing, consider swapping it with alternatives like "on one occasion". Remember to avoid overuse to keep your writing engaging.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
one time
This alternative is slightly less emphatic but carries the same meaning.
that one time
This alternative emphasizes a specific instance that has already been established in the conversation.
once
This alternative is shorter and simpler, suitable for contexts where less emphasis on the specific instance is needed.
on one occasion
This alternative is more formal and emphasizes the singularity of the event.
at one point
This alternative emphasizes a specific moment in time when something happened.
a single time
This alternative highlights the infrequency of the event.
in that instance
This alternative is more formal and focuses on the particular circumstances of the event.
on that particular occasion
This alternative is very formal and emphasizes the specificity of the event.
in that instance specifically
This alternative adds emphasis to a very particular event.
in a specific case
This alternative shifts the focus slightly to the example rather than the time.
FAQs
How can I use "this one time" in a sentence?
You can use "this one time" to introduce a past event or anecdote, such as, "This one time, I accidentally locked myself out of the house".
What are some alternatives to "this one time"?
Alternatives to "this one time" include "once", "on one occasion", or "that one time", depending on the context and level of formality you're aiming for.
Is it grammatically correct to say "this one time"?
Yes, it's grammatically correct and commonly used in informal and narrative contexts. However, consider more formal alternatives like "on one occasion" in academic or professional writing.
What's the difference between "this one time" and "that one time"?
"This one time" introduces a new anecdote, while "that one time" refers to a specific instance already known or discussed.
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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested