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
most significant effect
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "most significant effect" is correct and usable in written English.
It can be used when discussing the primary or most important impact of a particular action, event, or phenomenon. Example: "The most significant effect of the new policy was a noticeable increase in employee productivity."
✓ Grammatically correct
Science
News & Media
Formal & Business
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 first and most significant effect is congestion.
News & Media
Over the next few weeks, the most significant effect may well be to air traffic.
News & Media
It was observed that temperature had the most significant effect.
Temperature had the most significant effect on degradation rate throughout.
Science
The most significant effect is that the site of deposition shifts dramatically with time.
Encyclopedias
We don't yet have any evidence of what our most significant effect on the planet will be.
News & Media
Of the tributaries studied, the Ohio River had the most significant effect on the loads.
Addition of ASP had the most significant effect on the zeta potential of the emulsion droplets.
Results show that fin height has the most significant effect (34%) on the average temperature increase.
Science
The results obtained indicate that temperature had the most significant effect.
Science
For the annual capital cost, the liquid phase density also shows the most significant effect.
Expert writing Tips
Best practice
When using "most significant effect", ensure the context clearly establishes what action or event is causing the effect. Be specific about the cause-and-effect relationship to avoid ambiguity.
Common error
Avoid using "most significant effect" when the impact is not truly substantial or when other effects are equally or more important. Overusing this phrase can diminish its impact and credibility.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "most significant effect" functions as a noun phrase, typically serving as the subject or object of a sentence. It identifies and emphasizes the primary outcome or impact resulting from a specific action or event. As Ludwig AI confirms, this phrase is grammatically sound and widely applicable.
Frequent in
Science
54%
News & Media
29%
Formal & Business
17%
Less common in
Encyclopedias
1%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, "most significant effect" is a grammatically correct and frequently used phrase to highlight the primary outcome or impact of an action or event. Ludwig AI confirms its validity and adaptability across various contexts, particularly in science, news, and formal communications. When using this phrase, ensure the context clearly defines the cause-and-effect relationship and avoid overstating the significance. Alternatives such as "primary impact" or "main consequence" can be used to vary your writing. The frequency and authoritative sources of "most significant effect" underscore its importance in conveying key findings and analytical conclusions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
primary impact
Replaces "significant effect" with a simpler term "impact", maintaining the emphasis on the main result.
greatest impact
Uses "greatest" as a synonym for "most significant" to emphasize the magnitude of the effect.
main consequence
Substitutes "effect" with "consequence", highlighting the result or outcome of an action or event.
chief outcome
Uses "chief" to emphasize the primary nature of the outcome, similar to "most significant".
leading result
Uses "leading" as a synonym for "most significant" to emphasize the result of the action.
key result
Focuses on the "result" as being the "key" or most important one.
principal impact
Replaces "most significant" with "principal", indicating the main or primary influence.
major implication
Substitutes "effect" with "implication", suggesting a broader consequence or ramification.
dominant factor
Shifts the focus to a contributing element that has the greatest influence rather than a resulting effect.
primary influence
Highlights the main influencing factor rather than the direct effect.
FAQs
How can I use "most significant effect" in a sentence?
Use "most significant effect" to emphasize the primary outcome or impact of a particular action or event. For example, "The "most significant effect" of the policy change was a decrease in employee turnover."
What are some alternatives to "most significant effect"?
Alternatives include "primary impact", "main consequence", or "chief outcome" depending on the context.
When is it appropriate to use "most significant effect" versus "significant effect"?
"Most significant effect" should be used when you want to emphasize that the mentioned effect is the most important or noteworthy among other effects. Use "significant effect" when highlighting an effect that is important, but not necessarily the most important.
What's the difference between "most significant effect" and "major implication"?
"Most significant effect" refers to the primary outcome of a specific action or event. "Major implication", on the other hand, suggests a broader consequence or ramification that may extend beyond the immediate result.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested