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 certain thought
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a certain thought" is correct and usable in written English.
It can be used when referring to a specific idea or notion that is not explicitly named or defined. Example: "As I sat in silence, a certain thought crossed my mind, prompting me to reconsider my choices."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
minor deliberation
a poorly thought
a particular idea
a particular notion
a specific idea
some consideration
vague idea
a low thought
a little thought
a little think
a certain insight
a few thought
slight contemplation
passing concern
fleeting idea
a specific notion
a small thought
a little reflection
a particular thought
a little concern
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
14 human-written examples
Yet more research showed how they could lead consumers down a certain thought process to get them to buy.
News & Media
Thus, fear might be a combination of a certain thought (the thought that there is an abyss ahead), a certain desire (a desire not to fall), and certain sensations (those peculiar to anxiety).
Encyclopedias
Given a human being who is thinking a certain thought at a certain moment in the actual world, his "counterpart" in a nonactual world that is a perfect local-quality duplicate of the actual world will be thinking the very same thought at the corresponding moment in the history of the duplicate world.
Encyclopedias
But when a certain thought style develops and dominates researchers' minds, alternative ways of development become closed.
Science
This is rather odd and problematic, because we would have to have the intention to think a certain thought before we think it.
Science
These arguments differ with regard to what it is that can be inferred a priori given that we know we have a certain thought.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
He does not have any certain thoughts about Mr. Trump's repeated praise of Vladimir V. Putin.
News & Media
One of the biggest causes of stress is ruminating, or repeating a certain stressful thought.
News & Media
It seems, for example, that what comes into existence on the above account of the generating process (which talks of authors' conceiving of their literary creations) is not a fictional object as such, but rather a (mere) intentional object, the target of a certain authorial thought.
Science
That night at poker, I posed this very question to see what my friends "of a certain age" thought.
News & Media
Norris says that all thought exhibits a certain structure – formal thought, which is the act of thinking, and objective thought, which is the object of the thinking.
Science
Expert writing Tips
Best practice
Consider using more specific synonyms like "a specific idea" or "a particular notion" if clarity and precision are paramount in your writing.
Common error
Avoid using "a certain thought" repeatedly in the same piece of writing, as it can make your language seem vague and imprecise. Vary your phrasing to maintain reader engagement.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a certain thought" functions as a noun phrase, acting as the subject or object of a sentence. It introduces a specific but unnamed idea or concept. As supported by Ludwig, it is grammatically correct and frequently found in numerous types of texts.
Frequent in
News & Media
36%
Science
32%
Encyclopedias
12%
Less common in
Wiki
6%
Academia
4%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "a certain thought" serves as a versatile noun phrase to introduce an unspecified idea or concept. As confirmed by Ludwig, its usage is grammatically sound and frequent across diverse contexts, ranging from news articles to philosophical discussions. The phrase's purpose lies in its ability to allude to an idea without explicit definition, creating intrigue or generality. While valuable, overusing this phrase can lead to vagueness; writers should balance it with more specific language when clarity is essential. Alternatives like "a specific idea" or "a particular notion" offer clearer alternatives when precision is key. By recognizing the function, purpose, and register of "a certain thought", writers can effectively leverage its nuances to enhance their writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a specific idea
Replaces "thought" with a more direct synonym, focusing on the concreteness of the idea.
a particular notion
Substitutes "thought" with "notion", implying a slightly more abstract or general idea.
a given consideration
Emphasizes the aspect of considering something specific rather than just thinking about it.
a precise thought
Highlights the clarity and exactness of the thought.
a distinct idea
Focuses on the clarity and recognizability of the idea.
a definite concept
Emphasizes the well-defined nature of the concept.
a fleeting thought
Highlights the short duration and transient nature of the thought.
a prevailing idea
Indicates a widespread or commonly accepted idea.
a haunting thought
Suggests the thought is persistent and emotionally impactful.
a developing idea
Implicates the idea is not complete and has a degree of continuing gestation.
FAQs
How can I use "a certain thought" in a sentence?
You can use "a certain thought" to introduce an idea without being specific. For example: "A certain thought kept recurring in her mind, preventing her from sleeping."
What can I say instead of "a certain thought"?
You can use alternatives like "a specific idea", "a particular notion", or "a given consideration" depending on the context.
Is it better to be specific instead of using "a certain thought"?
While "a certain thought" can add a touch of intrigue or generality, clarity is often preferred. If the specific idea is known, it's better to name it directly. Otherwise, consider rephrasing for better understanding.
What's the difference between "a certain thought" and "a particular thought"?
Both phrases are similar, but "a certain thought" implies a level of unspecified detail or perhaps a reluctance to name the thought directly. "A particular thought" simply means a specific, individual thought.
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