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
which was later
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which was later" is correct and usable in written English.
It can be used to refer to something that occurred or was established after a previously mentioned event or point in time. Example: "The discovery was significant, which was later acknowledged by the scientific community."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(4)
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
USA Today also ran the story, which was later discounted.
Encyclopedias
"We had a disagreement which was later resolved.
News & Media
Then came Srebrenica, which was later defined as genocide.
News & Media
"You're kidding me?" read the tweet, which was later deleted.
News & Media
He introduced the S matrix, which was later taken up by Heisenberg.
Academia
One day, she returned to the group with a bone which was later identified as human.
Aniq was on the early team at Behance which was later acquired by Adobe (NASDAQ ADBE).
Academia
During that interrogation, Montejo wrote a confession letter, which was later admitted as evidence.
Academia
The resulting CPC was converted to 7-ACA, which was later purified by crystallization.
We describe embolisation followed by removal of the buccal cortical plate, which was later replaced.
Alan Moore and Dave Gibbons Watchmenn, which was later made into a film.
News & Media
Expert writing Tips
Best practice
When using "which was later", ensure the initial clause provides sufficient context for the subsequent event to be meaningful. Clarity is key for effective communication.
Common error
Avoid excessive use of passive voice when using "which was later". Over-reliance on the passive can make your writing sound weak and indirect. Try to rephrase sentences to use active voice where appropriate for a more engaging style.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which was later" functions as a relative clause, adding supplementary information to a preceding noun or clause. It introduces a detail about something that occurred or became known at a subsequent time. As Ludwig AI says, this is grammatically correct and used in various contexts.
Frequent in
News & Media
44%
Academia
28%
Science
20%
Less common in
Encyclopedias
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "which was later" is a grammatically sound relative clause used to provide additional information about a previously mentioned subject. As Ludwig AI confirms, it's a valid and common expression. It is most frequently found in news, academic, and scientific contexts, demonstrating its versatility across different registers. When using the phrase, ensure clarity and avoid overuse of passive voice. Alternatives like "that was subsequently" or "which subsequently became" can add nuance to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that was subsequently
Emphasizes the immediate sequence of events, implying a direct causal relationship.
that was afterwards
Focuses on the temporal order of events, with a slightly more formal tone.
which subsequently became
Highlights a transformation or evolution into a new state or form.
that eventually turned into
Suggests a gradual change or progression over a longer period.
which in due course
Implies that something occurred at the expected or appropriate time.
that down the line
Signifies a future event or outcome resulting from current actions.
that further along
Highlights the continuation of some action.
which at a later stage
Indicates that what is being talked about occurred at an undetermined later time.
which after some time
Highlights the passage of time before an action occurred.
that in retrospect
It suggests the action or idea happened and is now being considered in hindsight.
FAQs
How can I use "which was later" in a sentence?
Use "which was later" to connect a clause that provides additional information about something previously mentioned, specifying a subsequent event or change. For example, "The initial proposal was rejected, "which was later" revised and approved".
What are some alternatives to "which was later"?
Alternatives include "that was subsequently", "which subsequently became", or "that eventually turned into". The choice depends on the specific nuance you want to convey.
Is it better to use "which was later" or "that was later"?
Both "which was later" and "that was later" can be grammatically correct, but "which" is generally used for non-restrictive clauses (providing extra information), while "that" is used for restrictive clauses (essential to the meaning of the sentence). Choose the appropriate pronoun based on whether the clause is essential or additional.
How does "which was later" differ from "previously"?
"Which was later" indicates a sequence of events, emphasizing what happened after something else. "Previously" simply refers to something that happened at an earlier time, without necessarily implying a direct connection or sequence. For example, "The project faced challenges, "which was later" overcome" versus "The project faced challenges previously".
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested