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
an incompletely understood
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an incompletely understood" is correct and usable in written English.
It can be used when discussing concepts, phenomena, or subjects that are not fully grasped or comprehended. Example: "The researchers are investigating an incompletely understood aspect of human behavior that may influence decision-making."
✓ Grammatically correct
Science
Academia
Encyclopedias
Alternative expressions(3)
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
25 human-written examples
Though many physicists and chemists have devoted themselves to a study of solutions, as of the early 1990s it was still an incompletely understood subject under active investigation.
Encyclopedias
Enterococcal prosthetic valve infective endocarditis (PVE) is an incompletely understood disease.
Academia
Migraine is a prevalent and disabling disease [1] with an incompletely understood etiopathology.
Yet the body of literature surrounding GLP-1 physiology reveals an incompletely understood and complex system that includes peripheral and central GLP-1 actions to regulate energy and glucose homeostasis.
Academia
The Golli-MBP isoforms play an incompletely understood role in MS [19], [20].
Science
Stem cells become mobilized in response, via an incompletely understood process that involves the activation of multiple signaling pathways (reviewed in [15]).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
General anaesthesia is a incompletely understood, complex pharmacological response produced by a heterogeneous class of drugs involving mechanisms on specific neuronal networks in different regions of the central nervous system.
Science
Hematoxylin has a deep blue-purple color and stains nucleic acids by a complex, incompletely understood reaction.
Sepsis is a complex, incompletely understood and often fatal disorder, typically accompanied by hypotension, that is considered to represent a dysregulated host response to infection.
Academia
The tool "off-spotter" relies on a possibly incompletely understood description of the genomic motif recognized by the CRISPR/Cas system and has the goal to enumerate all possible genomic hits for given gRNA and PAM sequences.
Science
Glaciation has played an important but incompletely understood role in the park.
Wiki
Expert writing Tips
Best practice
When using "an incompletely understood", ensure that the context clearly indicates what specific aspect is not fully understood to maintain clarity.
Common error
Avoid using "an incompletely understood" when there is substantial, even if not complete, knowledge about a subject. Instead, opt for phrases like "partially understood" or "still under investigation" to reflect a more nuanced perspective.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an incompletely understood" functions as a pre-modifying adjective phrase describing a noun. It indicates that the noun it modifies (e.g., process, mechanism, disease) is not fully comprehended. As Ludwig AI points out, the phrase is grammatically correct and usable.
Frequent in
Science
80%
Academia
15%
Encyclopedias
5%
Less common in
News & Media
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "an incompletely understood" is a grammatically sound and usable expression, primarily employed in formal and scientific contexts to denote a lack of full comprehension regarding a concept, process, or phenomenon. As confirmed by Ludwig AI, this phrase is most frequently found in scientific and academic literature, serving to acknowledge knowledge gaps and encourage further research. While alternatives like "partially understood" or "not fully grasped" exist, "an incompletely understood" maintains a formal and precise tone. To ensure clarity, specify the aspect that remains unclear when using this phrase. Furthermore, avoid using it when substantial knowledge exists, opting for more nuanced descriptions instead.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Partially comprehended
Replaces "incompletely" with "partially", suggesting a degree of understanding exists.
Not fully grasped
Uses a more informal and active voice to convey a lack of complete understanding.
Poorly understood
Emphasizes the lack of understanding with a stronger negative connotation.
Imperfectly known
Employs a more formal tone, indicating a deficiency in knowledge.
Vaguely apprehended
Suggests a faint or indistinct understanding.
Unclear
A simpler way of stating the lack of clarity or understanding.
Mysterious
Implies that something is difficult to understand due to its enigmatic nature.
Not well-defined
Focuses on the lack of specific details or clear boundaries.
Subject to interpretation
Highlights that the current understanding is open to multiple, potentially conflicting, explanations.
Open to question
Suggests that the current understanding is not definitive and requires further scrutiny.
FAQs
How can I use "an incompletely understood" in a sentence?
You can use "an incompletely understood" to describe a concept, process, or phenomenon that is not fully comprehended. For example, "The mechanism behind this reaction is "an incompletely understood" process."
What are some alternatives to saying "an incompletely understood"?
Alternatives include "partially understood", "poorly understood", or "not fully grasped", depending on the specific nuance you want to convey.
Is it more appropriate to use "incompletely understood" or "not completely understood"?
"Incompletely understood" is generally preferred in formal and scientific writing, while "not completely understood" is more common in informal contexts. Both are grammatically correct, but the former sounds more concise and professional.
What is the difference between "an incompletely understood" and "a misunderstood" concept?
"An incompletely understood" concept means that the concept is not fully comprehended, whereas "a misunderstood" concept means that the concept is incorrectly understood. The former implies a lack of complete knowledge, while the latter implies an incorrect interpretation.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested