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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
prior to this
Grammar usage guide and real-world examplesUSAGE SUMMARY
'prior to this' is a perfectly correct and usable phrase in written English.
You can use it when referring to something which happened before a particular thing or event, either as part of a sentence or as a standalone phrase. For example: "I hadn't been to France prior to this trip, so it was a completely new experience for me."
✓ Grammatically correct
News & Media
Science & Research
Academia
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
"Prior to this, we felt lost".
News & Media
"Prior to this experience," he said.
News & Media
There was next to no consultation prior to this move.
News & Media
Prior to this, only the last three were covered.
News & Media
The furthest we'd ever been prior to this was Bulgaria.
News & Media
I have taken certain steps prior to this date.
News & Media
Prior to this, Sheldon worked as as HR business partner.
News & Media
"Prior to this race, I was really emotional.
News & Media
But legends of the mountain existed prior to this.
News & Media
Obviously, the market is -- was correcting prior to this crisis.
News & Media
Prior to this, the actor had no professional acting experience.
News & Media
Expert writing Tips
Best practice
Use "prior to this" to clearly indicate a sequence of events, ensuring the temporal relationship is unambiguous. This phrase is particularly useful in formal writing and technical documentation.
Common error
Avoid using "prior to this" in casual conversations or informal writing. Simpler alternatives like "before this" or "previously" are often more appropriate and sound less stilted.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "prior to this" functions as a prepositional phrase acting as an adverbial of time. It modifies a verb or clause by indicating when an action occurred in relation to a specific reference point. Ludwig shows several examples across news, science, and academic contexts where this phrase clarifies temporal order.
Frequent in
News & Media
60%
Science & Research
20%
Academia
10%
Less common in
Formal & Business
5%
Encyclopedias
2%
Wiki
3%
Ludwig's WRAP-UP
The phrase "prior to this" is a grammatically correct and commonly used prepositional phrase that functions as an adverbial of time. As Ludwig AI confirms, it's suitable for clearly establishing a chronological sequence of events, particularly in neutral to professional contexts such as news reporting, scientific research, and business communication. While effective in formal writing, it's best to avoid overusing it in casual conversation, opting for simpler alternatives like "before this" or "previously". Its frequency across authoritative sources like The New York Times and The Guardian underscores its widespread acceptance and utility in precise and clear communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Before this
This alternative is more concise and direct, omitting the word "prior" for a simpler construction.
Previously
This is a single-word adverb that conveys the same meaning, suitable for shorter sentences or when brevity is preferred.
Earlier than this
This phrase provides a slightly more emphatic way of indicating that something happened before.
Ahead of this
This suggests a preparatory or anticipatory action before the specified time.
In advance of this
This alternative implies planning or preparation leading up to the event.
Beforehand
Similar to 'previously', but can imply a specific action taken in preparation.
Up until this point
This phrase emphasizes the duration leading to the present moment.
Until now
Implies a situation has changed at the time specified, or that something is about to change.
In the past
Refers to a general time before the present, lacking specificity.
In former times
A more formal and somewhat archaic way of saying 'in the past'.
FAQs
What does "prior to this" mean?
The phrase "prior to this" means before the current time or the event that is being discussed. It indicates something that happened earlier.
Is "prior to this" formal?
Yes, "prior to this" is generally considered more formal than alternatives like "before this". Use it in academic, professional, or technical writing.
What can I say instead of "prior to this"?
You can use alternatives like "before this", "previously", or "earlier than this" depending on the context.
Is it correct to use "prior to this" at the beginning of a sentence?
Yes, it is grammatically correct to use "prior to this" at the beginning of a sentence. For example: "Prior to this, the company had raised minimum financing."
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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
4.6/5
Expert rating
Real-world application tested