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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
Grammar usage guide and real-world examplesUSAGE SUMMARY
"prior to" is a perfectly acceptable phrase used in written English.
You can use it to refer to something that happened before another event. For example, "Prior to the meeting, we discussed our plans for the upcoming year."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
before
ahead of
preceding
in advance of
earlier than
previous to
antecedent to
preliminary to
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
not yet completed
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 the burial.
News & Media
Prior to his goal.
News & Media
"Prior to 1990, no one came here.
News & Media
"Prior to racing we would have agreed.
News & Media
Is anything prior to soul?
Science
Prior to this, anatomy was.
News & Media
Moral rights exist prior to the law.
Science
Prior to that it was published quarterly.
News & Media
"Prior to Prop.
News & Media
She died prior to 2001.
Wiki
Prior to 1979, Iran developed rapidly.
Wiki
Expert writing Tips
Best practice
When writing formally, "prior to" can add a touch of sophistication compared to "before". However, ensure the context warrants the formality; in many cases, "before" is perfectly acceptable and more concise.
Common error
Avoid using "prior to" in casual conversations or informal writing where "before" would suffice. Overusing formal language can make your writing sound stilted or unnatural.
Linguistic Context
The phrase "prior to" functions as a preposition, connecting a noun or pronoun to the rest of the sentence and indicating a temporal relationship. As Ludwig AI indicates, it essentially means "before". Examples from Ludwig show its use in diverse contexts.
Frequent in
Science
34%
Wiki
20%
News & Media
18%
Less common in
Formal & Business
12%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "prior to" is a grammatically sound prepositional phrase meaning "before", frequently employed across various writing styles. Ludwig AI confirms its acceptability. While versatile, it's best suited for professional, neutral, or scientific contexts, lending a touch of formality. When aiming for concise and casual communication, opting for "before" might be more appropriate. Remember that while "prior to" is quite common, overuse in informal settings can sound unnatural. Strike a balance and tailor your word choice to the intended audience and context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
before
This is the simplest and most direct synonym, suitable for most contexts.
ahead of
Implies anticipation or preparation for a future event.
preceding
More formal, often used in academic or legal contexts to indicate something that comes directly before.
in advance of
Emphasizes preparation and planning.
earlier than
Highlights the temporal aspect, indicating that something happened at an earlier time.
previous to
A more formal alternative, suitable for writing where a degree of sophistication is required.
antidating
A formal term, specifically indicating something existing from an earlier date.
antecedent to
Highlights the cause-and-effect relationship, suggesting something that came before and influenced the current state.
preliminary to
Indicates a stage or action that comes before something more substantial.
preparatory to
Suggests an action done in preparation for a subsequent event.
FAQs
How to use "prior to" in a sentence?
"Prior to" is a prepositional phrase that means "before". For example, "Prior to the meeting, please review the agenda."
What can I say instead of "prior to"?
Which is correct, "prior to" or "before to"?
"Prior to" is correct. "Before to" is grammatically incorrect and not used in standard English.
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