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
tangential idea
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "tangential idea" is correct and usable in written English.
It can be used to refer to an idea that is related to but not central to the main topic of discussion. Example: "While discussing the main theme of the novel, she introduced a tangential idea about the author's personal life that sparked further conversation."
✓ Grammatically correct
Science
News & Media
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
However, most recommender systems find papers based on how similar they are to papers you previously read, which inevitably limits your exposure to tangential ideas that may be important to your research.
Science & Research
In the store, Mr. Sepulveda is authoritative and determined, and when a customer asks him about something, he'll bustle over to the CD bins, pulling one one or two or three CD's to demonstrate not only what the buyer had wanted but Mr. Sepulveda's own tangential, connective ideas.
News & Media
Plus, the idea of tangential characters being the murderers feels true to the Nic Pizzolatto ethos.
News & Media
Consistent with this idea, microscopic tangential compression is observed in a cell ablation assay using a 3D-pinpointed multi-photon laser beam [ 28, 45].
Science
It's the confidence, and even the masculine flexing of the verse, that is most striking: scintillating deployment of language, and always tangential or odd ways of interpreting ideas, events or other literature.
News & Media
That buffer, which is probably 20% of my time, goes to working on new ideas, meeting new companies, or tangential thinking, where I don't know where it's going to lead but once in a while results in an idea that's really good and I feel compelled enough to start something.
Academia
I've found that sharing personal anecdotes, creating analogies to emphasize ideas, and pursuing the occasional tangential discussion are all valuable ways to help students to make connections and better understand core concepts.
News & Media
While a tangential discussion point, this is not the main idea of this article.
News & Media
The idea of a safe ride was perhaps a tangential consideration in the car-buying process, but never persuasive enough to affect the eventual decision.
News & Media
The strong degree of colocalization between Arx and GABA as well as the absence of interneurons documented in the cortex of XLAG patients [ 15, 52, 114, 128] and in Arx mutant mice [ 27, 101] have led to the idea that XLAG syndrome was the result of defective tangential migration [ 96].
Science
Most American politicians, of course, would immediately dismiss the idea of sending the military into Zimbabwe or Myanmar as tangential to American interests and therefore impossible to justify.
News & Media
Expert writing Tips
Best practice
Use "tangential idea" to introduce a concept that, while not central, offers valuable context or perspective to the main discussion. This adds depth without derailing the primary focus.
Common error
Avoid giving undue importance to the "tangential idea". Ensure it supports rather than overshadows your main argument or point.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "tangential idea" functions as a noun phrase where the adjective "tangential" modifies the noun "idea". It describes a concept that is related to a main topic but not central to it. As Ludwig AI explains, this phrase is usable in written English to refer to a concept loosely connected.
Frequent in
News & Media
38%
Science
31%
Academia
13%
Less common in
Formal & Business
8%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "tangential idea" is a grammatically correct and usable phrase that describes a concept related to but not central to a main topic. While relatively rare, it appears across diverse contexts, particularly in news, scientific, and academic writing. As Ludwig AI confirms, the phrase serves to introduce concepts that add context or perspective without derailing the main argument. Alternatives include ""peripheral concept"" and "related notion", which offer subtle variations in emphasis. When using "tangential idea", ensure it supports and enhances, rather than overshadows, your primary focus.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Peripheral concept
Emphasizes the idea's distance from the central focus.
Associated concept
Focuses on the link or relationship between ideas.
Related notion
Highlights the connection to a broader theme or subject.
Subsidiary idea
Highlights the supporting nature of the idea.
Secondary thought
Indicates the idea is of lesser importance or development.
Marginal consideration
Suggests the idea is not crucial to the main discussion.
Indirect suggestion
Implies the idea is not explicitly stated but hinted at.
Collateral thought
Implies the idea is a byproduct or side effect of the main topic.
Loosely connected idea
Emphasizes the weak or tenuous link to the central theme.
Remotely related concept
Highlights the distant connection to the topic.
FAQs
How can I use "tangential idea" in a sentence?
You can use "tangential idea" to introduce a concept that is related but not essential to the main topic. For example, "While discussing the project's core objectives, a "peripheral concept" emerged regarding potential future applications."
What's a simple way to define "tangential idea"?
A "tangential idea" is a concept that is related to the main subject but not directly part of it; it's a side thought or related notion that adds context or nuance.
What can I say instead of "tangential idea"?
You can use alternatives like ""peripheral concept"", "related notion", or "secondary thought" depending on the context.
Is it correct to use "tangential idea" in academic writing?
Yes, "tangential idea" is appropriate for academic writing when you need to introduce a related but not central concept. Ensure it is relevant and supports your argument.
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
4.1/5
Expert rating
Real-world application tested