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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

no reference

Grammar usage guide and real-world examples

USAGE SUMMARY

"no reference" is correct and usable in written English.
Example: We could not find a reference for the spelling of this word, so we had to go with "no reference".

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

No reference, no recognition.

No reference was given.

With no reference?

No reference to it.

News & Media

The New York Times

Note, no reference to Islam.

There was no reference to the Sussex.

News & Media

The New Yorker
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

6 human-written examples

2. No-reference or NR: Blind or no-reference quality assessment is a more difficult problem as there is no reference image for comparison.

No-reference methods rely only on the degraded video.

For these cases, no-reference (NR) models are more appropriate.

No-reference quality metrics are applied to the source image.

Finally, we model and validate the no-reference bitstream model.

Show more...

Expert writing Tips

Best practice

In scientific writing, use it to indicate the absence of a control or standard, such as a "no reference standard".

Common error

Do not use "no reference" to mean a lack of reason or logic. While something may have "no reference" in a text (meaning it isn't mentioned), this does not necessarily mean there is no rationale for it.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "no reference" typically functions as a noun phrase, often serving as the direct object of a verb (e.g. "make no reference") or following an existential construction (e.g. "there was no reference"). In specialized scientific contexts, it can also act as an attributive modifier, such as in "no-reference quality assessment", where it is often hyphenated. Ludwig AI confirms its versatility in both general and technical English.

Expression frequency: Very common

Frequent in

News & Media

55%

Science

30%

Academia

10%

Less common in

Social Media

3%

Informal Conversation

1%

Wiki

1%

Ludwig's WRAP-UP

In conclusion, "no reference" is a robust and highly frequent phrase in formal English. It is most effectively used to pinpoint the absence of information or the lack of a standard. Data from Ludwig indicates that it is a staple in high-quality journalism for calling out what was left unsaid, as well as in the sciences for defining technical constraints. Whether you are describing a document that fails to cite its sources or a scientific model lacking a baseline, "no reference" provides a clear, professional way to express total omission.

FAQs

How to use "no reference" in a sentence?

You can use it to describe an omission, such as: "The report made <a href="/s/no+reference" target="_blank" rel="alternative">no reference to the previous findings".

What can I say instead of "no reference"?

Depending on your intent, you can use "<a href="/s/no+mention" target="_blank" rel="alternative">no mention", "<a href="/s/without+citation" target="_blank" rel="alternative">without citation" or "<a href="/s/lack+of+reference" target="_blank" rel="alternative">lack of reference".

Which is correct, "no reference" or "without reference"?

Both are grammatically correct. Use "no reference" as a noun phrase (e.g. "there was <a href="/s/no+reference" target="_blank" rel="alternative">no reference") and "<a href="/s/without+reference" target="_blank" rel="alternative">without reference" as an adverbial or prepositional phrase.

Does "no reference" mean the same as "no citation"?

In academic contexts, they are nearly synonymous. However, "no reference" is broader and can refer to a lack of any kind of mention or comparison point, not just a formal academic <a href="/s/citation" target="_blank" rel="alternative">citation.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

94%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Most frequent sentences: