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 substantial familiarity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a substantial familiarity" is correct and usable in written English.
It can be used when describing a significant level of knowledge or understanding about a particular subject or topic. Example: "After years of studying the subject, she developed a substantial familiarity with the intricacies of quantum physics."
✓ Grammatically correct
News & Media
Science
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
1 human-written examples
It will be best appreciated by those with a substantial familiarity with the astronomical scene.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
They reported substantial familiarity with basic nonpharmacologic practices but only asked residents to try these interventions (in addition to medication) an average of 38% of the time.
Science
Additionally, substantial familiarity with the instrument content, skip-out rules, threshold and subthreshold definitions, and DSM-IV criteria are essential to the correct scoring of K-SADS-PL items.
Science
The latter finding supports the conclusions of a study by Ketelaar et al., in which a substantial increase in therapists' familiarity and confidence was observed one year after following a GMFM workshop.
Science
The research presented in this paper indicates that familiarity plays a substantial role in faucet usability for older adults with dementia that becomes more influential as dementia progresses.
Science
While work must be done to expand these findings to other products and tasks, this research provides evidence that familiarity plays a substantial role in product usability for older adults that appears to become more influential as dementia progresses.
Science
The results from this study showed that familiarity may have a substantial role in reducing errors, as the odds of a participant committing an error more-or-less match faucet familiarity ordering for all three groups (as presented in Figure 1 and Table 4).
Science
These apparent weaknesses of over-familiarity with the community can constitute a substantial asset to the health service if supported appropriately.
Science
2) The task for the patients was to recognize a large number of photographs making it likely to be solved, at least to a substantial degree, by recognition judgments based on a feeling of familiarity.
Science
In morphological evaluation, familiarity is likely to drive the initial recognition of abnormality, and in this study there was generally a substantial agreement on the affected cell lineage irrespective of the diagnosis reached.
Science
This is a substantial grievance.
News & Media
Expert writing Tips
Best practice
When using "a substantial familiarity", ensure the context clearly indicates the subject with which the familiarity exists. For example: "a substantial familiarity with programming languages".
Common error
Avoid assuming the audience understands the extent of the familiarity. Provide context or examples to clarify the depth of knowledge implied by "a substantial familiarity".
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"A substantial familiarity" functions as a noun phrase, where "substantial" modifies the noun "familiarity". It describes the degree or extent of someone's understanding or knowledge of a particular subject, skill, or area. As Ludwig AI confirms, this phrase is perfectly acceptable and usable in written English.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a substantial familiarity" is a phrase that indicates a significant level of understanding or knowledge about a particular subject. As Ludwig AI confirms, the phrase is valid and applicable. It's most commonly used in neutral to formal contexts, such as news, scientific writing, or professional communication. To ensure clarity, always specify the subject with which the familiarity exists. While there are many alternative ways to express similar meanings, using "a substantial familiarity" suggests a solid grasp without necessarily implying expert-level proficiency.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
extensive knowledge
Highlights the breadth and depth of information possessed.
deep understanding
Focuses on a thorough and insightful grasp of a topic.
considerable acquaintance
Emphasizes a level of personal or professional connection and knowledge.
thorough grasp
Stresses a complete and comprehensive understanding.
significant expertise
Indicates a high level of skill and knowledge gained through experience.
broad awareness
Implies a general understanding across a wide range of related topics.
profound insight
Suggests a deep and penetrating understanding, often exceeding typical knowledge.
comprehensive command
Indicates mastery and control over a subject or skill.
remarkable aptitude
Highlights a natural talent and quick learning ability.
appreciable skill
Denotes a noticeable and valuable level of competence.
FAQs
How can I replace "a substantial familiarity" in a sentence?
You can use alternatives like "extensive knowledge", "deep understanding", or "considerable acquaintance" depending on the specific context.
Is "a substantial familiarity" formal or informal?
"A substantial familiarity" is generally considered suitable for formal writing and professional contexts, suggesting a significant level of understanding or expertise.
How to use "a substantial familiarity" in a sentence?
You can use "a substantial familiarity" to describe someone's knowledge or understanding of a particular subject. For example: "The role requires "a substantial familiarity" with data analysis techniques."
What level of expertise does "a substantial familiarity" imply?
"A substantial familiarity" suggests more than just basic knowledge but not necessarily expert-level understanding. It implies a solid grasp and experience in the area.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested