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
had heard before
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had heard before" is correct and usable in written English.
It can be used to indicate that someone has previously received information or knowledge about a particular subject or event. Example: "I had heard before that the meeting was rescheduled, but I didn't receive the official notice until today."
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(1)
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
58 human-written examples
He wrote that the Yugoslavs "considered me, rightly or wrongly, a distinguished person in the U.S., and they were pleased that someone whose name they had heard before was being sent to Belgrade".
Wiki
The power of the songs, nobody had heard before.
News & Media
It was a refrain Mr. Holder had heard before.
News & Media
For biology majors, this introduction would be a simple review of concepts they had heard before.
I had heard before I ever saw it that Susan's apartment was a famous crash pad.
News & Media
It was a concert of disparate but emotionally related works unlike any I had heard before.
News & Media
The noise was so loud it was unlike anything people had heard before.
News & Media
The roar of the explosion was unlike anything Abdulkafi al-Hamdo had heard before.
News & Media
That's a line of attack that Ms. Burana said she had heard before.
News & Media
The story Hogue told me corresponded in most of its particulars with the story I had heard before.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
I wanted to make a piece of music that sounded nothing like anything I had heard before something that had this intense contrast of bubble-gum and a hyper-abstracted version of metal.
News & Media
Expert writing Tips
Best practice
Use "had heard before" to indicate that someone possessed prior knowledge of a fact, event, or statement. This clarifies that the information wasn't new to them, adding context to their reaction or understanding. It can also create a sense of shared experience or recognition.
Common error
Avoid using "had heard before" when you actually mean "heard of before". The former indicates a specific piece of information was previously received, while the latter suggests a general awareness of something's existence.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had heard before" functions as part of a verb phrase in the past perfect tense, indicating a completed action prior to another point in time. This is supported by Ludwig's examples, where the phrase is used to express prior knowledge or awareness of a subject.
Frequent in
News & Media
73%
Academia
13%
Wiki
4%
Less common in
Science
3%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "had heard before" is a grammatically sound and very common phrase used to indicate prior knowledge or awareness. Ludwig confirms its correctness and wide applicability. While suitable for neutral and formal contexts, it commonly appears in news and media and academic sources. When writing, ensure you're using it to express previous receipt of information, distinguishing it from simply "heard of". Remember to consider alternative phrasing for semantic variety. The expression's frequency and consistent usage across varied sources underscores its importance in effectively communicating pre-existing understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had prior knowledge of
Highlights the possession of existing information regarding a subject.
was previously aware of
Focuses on prior awareness, often suggesting a more formal or conscious recognition.
had been told previously
Implies that the information was conveyed verbally at an earlier time.
knew about previously
Emphasizes prior knowledge, implying some level of understanding or information.
had learned of before
Indicates that the knowledge was acquired through a learning process.
had been informed of
Suggests that the information was received from an external source.
was already familiar with
Implies a degree of acquaintance or understanding developed over time.
recognized from earlier
Focuses on the act of identifying something based on past experience.
had encountered before
Highlights a previous interaction or experience with something.
had come across previously
Suggests a less direct or intentional acquisition of information.
FAQs
How can I use "had heard before" in a sentence?
Use "had heard before" to indicate that someone was previously informed or aware of something. For example: "I "had heard before" that the company was struggling, but I didn't realize how serious it was."
What is a synonym for "had heard before"?
A synonym for ""had heard before"" could be "was previously aware of". For example: "She was previously aware of the risks involved."
Is "had heard before" grammatically correct?
Yes, ""had heard before"" is grammatically correct. It's the past perfect tense of the verb "hear", used to describe an action completed before another point in time.
What's the difference between "had heard before" and "heard of before"?
"Had heard before" implies that you received specific information previously. "Heard of before" simply means you were aware of something's existence, but not necessarily details. For example, "I had heard before about the company's new policy" versus "I had heard of the company before, but knew nothing about their policies".
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested