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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
is not a simple
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not a simple" is correct and usable in written English. You can use it when discussing something that is complex or multifaceted. Example: "The solution to the problem is not a simple one." Alternative expressions include "is not straightforward," "is not easy," and "is not trivial."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
is far from simple
is not straightforward
is not a trivial
no simple feat
no easy solution
no easy remedy
no easy fix
a challenging task
no easy infidelity
is no easy task
presents significant challenges
no easy feat
no easy trick
no easy job
takes a lot of doing
no easy business
no slight feat
not a piece of cake
a difficult undertaking
difficult task
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
60 human-written examples
"The brain is not a simple machine".
News & Media
This is not a simple condition.
News & Media
It is not a simple story, exactly.
News & Media
"This is not a simple drill".
News & Media
But migration is not a simple issue.
News & Media
"Migraine is not a simple disorder.
News & Media
But it is not a simple route.
News & Media
Love is not a simple thing.
News & Media
There is not a simple answer.
News & Media
This is not a simple process".
News & Media
The choice is not a simple one.
News & Media
Expert writing Tips
Best practice
Pair this phrase with a specific noun like "matter", "issue", "task", or "process" to provide immediate clarity on what exactly is complex.
Common error
Avoid using the phrase as a standalone statement without immediately following up with the specific factors that make the subject complex. Without elaboration, the phrase can seem like a filler or an attempt to avoid giving a clear answer.
Source & Trust
95%
Authority and reliability
5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not a simple" consists of the linking verb "is", the negation "not", the indefinite article "a", and the adjective "simple". In a sentence, it functions as a negated predicate adjective phrase that serves to define a subject by what it is not. According to Ludwig, it is a grammatically standard and widely accepted way to introduce nuance.
Frequent in
News & Media
55%
Science
25%
Academia
20%
Less common in
Social Media
5%
Wiki
3%
Informal Speech
2%
Ludwig's WRAP-UP
The phrase "is not a simple" is an essential tool in English for articulating complexity. Ludwig AI highlights its frequent appearance in top-tier publications such as The Guardian and The New York Times, indicating its status as a cornerstone of formal and neutral writing. It is used across various domains—from describing the intricacies of the human brain in The New Yorker to discussing global migration in The Economist. Because it is grammatically sound and rhetorically powerful, it is highly recommended for any writer looking to challenge a basic assumption and lead the reader toward a more sophisticated understanding of a topic.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is far from simple
Adds emphasis by suggesting a significant distance from simplicity
is anything but simple
A more idiomatic and emphatic way to deny simplicity
is not a straightforward
Shifts the focus specifically toward the lack of directness or ease of understanding
is not a trivial
Used often in technical or mathematical contexts to denote significant difficulty
is no easy
A more colloquial but still standard way to express difficulty
is a complex
A positive statement of complexity rather than a negation of simplicity
is a multifaceted
Emphasizes that there are many different aspects to the subject
is not a basic
Focuses on the level of sophistication rather than just difficulty
is not an uncomplicated
A double negative that is more formal and slightly more wordy
is not a plain
Suggests a lack of obviousness or lack of ornamentation
FAQs
How to use "is not a simple" in a sentence?
You can use it to highlight complexity in various contexts. For example, "The recovery process "is not a simple" one and requires patience."
What can I say instead of "is not a simple"?
Depending on your intent, you can use phrases like "is far from simple", "is not straightforward", or "is a complex".
Which is correct, "is not a simple" or "is no simple"?
Both can be correct depending on the noun following them. However, "is not a simple" is the standard construction for general use, whereas "is no simple" is often followed by a noun to emphasize the magnitude of the subject (e.g., "this is no simple task").
What's the difference between "is not a simple" and "is not a straightforward"?
While similar, ""is not a simple"" is broader and refers to general complexity, while "is not a straightforward" specifically implies that the path or logic is not direct or easy to follow.
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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
95%
Authority and reliability
5/5
Expert rating
Real-world application tested