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
a lack of indication
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a lack of indication" is correct and usable in written English.
It can be used when discussing the absence of signs, signals, or evidence regarding a particular situation or topic. Example: "The report showed a lack of indication that the project was on track for completion by the deadline."
✓ Grammatically correct
Science
News & Media
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
2 human-written examples
While promising results have been obtained in terms of clinical improvement, results are not optimal and there is still a lack of indication on the optimal cell source, processing, and administration modality.
Besides a lack of indication there also might be a group of PWD where the antidementia drug treatment has been already terminated.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
In their survey on SNB in British Columbia, Chua et al. also reported variability in patient selection criteria and a lack of uniform indications for SNB [ 6].
Science
It may of course still be right, but there are enough obvious problems with it and a severe lack of indication of anything like it in living species that to consider it the favoured hypothesis seems incongruous.
News & Media
Physicians have been reluctant to prescribe these drugs in older adults due to a perceived lack of indication (Cournot et al 2006).
In the 17 % of patients for whom the treating neurologist reported a lack of a clear indication for the consultation, 25%% were later admitted to a neurological service, and 69%% ultimately had a neurological diagnosis.
Similarly, as result of the disparate nature of current provision and a lack of clear empirical indication of what constitutes self-care outcomes it is difficult to design a controlled study.
Science
There is a lack of evidence supporting indications for treatment for these cyst stages.
Science
This should not be necessarily interpreted as a lack of progress but as an indication of the complexity of the problem being addressed and the changing nature of the systems and networks needing the protection.
Science
In the case of a lack of oral hygiene, an indication for dental extraction occurs.
Science
Three of the graphs are notable for a lack of obvious confounding by indication.
Expert writing Tips
Best practice
When using "a lack of indication", ensure the context clearly identifies what specific indication is missing. For example, specify "a lack of indication of improvement" rather than simply "a lack of indication".
Common error
Avoid using "a lack of indication" when you actually mean a false indication. The phrase signifies absence, not misinformation.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a lack of indication" functions primarily as a noun phrase. It typically serves as the subject, object, or complement in a sentence, describing the absence of something that signals or points to a particular condition or state. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a lack of indication" is a grammatically correct and frequently used noun phrase that denotes the absence of signs or signals. According to Ludwig AI, it's perfectly acceptable in written English and can be used to discuss the absence of signals in a particular situation. The phrase is most commonly found in scientific and news contexts. While similar phrases like "absence of proof" or "deficiency of evidence" exist, "a lack of indication" provides a clear and versatile way to express the absence of something suggestive. When using this phrase, ensure the context clearly identifies the missing indication to avoid ambiguity. Ludwig examples highlight its usage in various scientific and news domains, reinforcing its relevance and adaptability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absence of proof
Replaces "lack" with "absence" and "indication" with "proof", emphasizing the missing evidence.
deficiency of evidence
Uses "deficiency" to replace "lack" and "evidence" to replace "indication", highlighting the shortage of supporting facts.
scarcity of signs
Substitutes "lack" with "scarcity" and "indication" with "signs", focusing on the limited availability of suggestive signals.
paucity of clues
Replaces "lack" with "paucity" and "indication" with "clues", underscoring the limited number of hints or suggestions.
no sign of
Offers a shorter, more direct way to express the absence of any indication.
absence of a signal
Focuses on the absence of a specific signal, implying a lack of any communicative cue.
void of clues
Uses "void" to indicate a complete absence of clues, which serve as indications.
want of demonstration
Employs more formal language, replacing "lack" with "want" and "indication" with "demonstration", suggesting a missing display or proof.
in the absence of evidence
This alternative phrase frames the absence of evidence more formally and explicitly.
without suggestion of
Implies that no suggestion or hint is present, emphasizing a complete lack of indication.
FAQs
How can I use "a lack of indication" in a sentence?
You can use "a lack of indication" to describe the absence of evidence, signs, or signals related to a particular situation. For example: "There was "a lack of indication" that the patient's condition was improving."
What phrases are similar to "a lack of indication"?
Similar phrases include "absence of proof", "deficiency of evidence", or "scarcity of signs". The best choice depends on the specific context.
Is it better to say "lack of indication" or "absence of indication"?
Both "lack of indication" and "absence of indication" are grammatically correct and convey a similar meaning. The choice often comes down to stylistic preference, although "absence" can sometimes sound slightly more formal.
What's the difference between "a lack of indication" and "an indication of a lack"?
"A lack of indication" means there is no sign or signal present. "An indication of a lack", on the other hand, suggests there's something that points to a deficiency or absence of something else entirely. The meanings are quite different.
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