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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
greatly affect
Grammar usage guide and real-world examplesUSAGE SUMMARY
"greatly affect" is correct and usable in written English.
You can use it when you want to emphasize the extent to which something has an effect. For example, "The increase in taxes will greatly affect our household budget."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
significantly impact
heavily influence
profoundly impact
strongly influence
deeply affect
substantially alter
have a major effect on
exert a significant influence on
greatly engage
extremely affect
further affect
largely affect
substantially affect
far affect
distinctly affect
much affect
considerable affect
greatly influencing
greatly impacts
great affect
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
This will greatly affect the ruling camp".
News & Media
But these votes can greatly affect the race.
News & Media
Buffeting can greatly affect aerodynamic behavior.
Disorders of smell greatly affect the ability to detect flavours.
Encyclopedias
If this isn't handled properly, it will greatly affect rural economic development".
News & Media
"Most dermatological diseases won't kill you, but they can greatly affect your quality of life".
News & Media
The idea has to be realised, though how this happens can greatly affect the outcome.
News & Media
I'm convinced that relations between Iran and US will greatly affect region.
News & Media
These studies may greatly affect future transfusion guidelines.
How can we factor out two costs that so greatly affect our everyday lives?
News & Media
It will also greatly affect refugees already in Europe – people in similar situations to me.
News & Media
Expert writing Tips
Best practice
Use "greatly affect" to emphasize the significant impact of something, making sure the context supports such a strong assertion. For instance, "The new policy will "greatly affect" employee morale."
Common error
While "greatly affect" is grammatically sound, avoid overusing it in very informal writing. Simpler phrases might be more appropriate. Instead of saying, "That movie "greatly affect" me", consider "That movie really moved me".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "greatly affect" functions as a verb phrase that describes the action of having a strong or significant influence on something. It indicates that the subject causes a considerable change or impact. This is confirmed by Ludwig's examples, which demonstrate usage across multiple contexts.
Frequent in
News & Media
42%
Science
39%
Academia
9%
Less common in
Wiki
5%
Encyclopedias
1%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "greatly affect" is a versatile and frequently used expression that signifies a substantial impact or influence. According to Ludwig, it's grammatically correct and widely employed across various contexts, including news, science, and academia. While it is suitable for both formal and informal communication, overuse should be avoided in very informal writing. Alternatives like "significantly impact" or "heavily influence" can be used to add variety. Remember to reserve "greatly affect" for situations where you truly want to emphasize the magnitude of the effect.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
significantly impact
Replaces "affect" with "impact" and "greatly" with "significantly", altering the specific word choice but maintaining the strong influence.
heavily influence
Substitutes "affect" with "influence" and "greatly" with "heavily", focusing on the power to change something.
strongly influence
Similar to "heavily influence", but uses "strongly" to emphasize the intensity of the influence.
profoundly impact
Replaces "greatly" with "profoundly", emphasizing a deeper and more substantial effect.
deeply affect
Similar to "profoundly impact", focusing on the depth of the effect.
substantially alter
Uses "alter" instead of "affect" and "substantially" instead of "greatly", highlighting a considerable change.
markedly influence
Uses "markedly" to show that the influence is easily noticeable.
considerably change
Employs "change" as a substitute for "affect" and "considerably" for "greatly", indicating a noticeable difference.
have a major effect on
Rephrases the entire expression to emphasize the size and importance of the effect.
exert a significant influence on
Focuses on the act of applying influence and emphasizes the magnitude of that influence.
FAQs
How can I use "greatly affect" in a sentence?
Use "greatly affect" when you want to emphasize that something has a substantial impact. For example, "Changes in the climate can "greatly affect" agricultural yields".
What are some alternatives to "greatly affect"?
You can use alternatives like "significantly impact", "heavily influence", or "profoundly impact" depending on the context.
Is "greatly affect" formal or informal?
"Greatly affect" is suitable for both formal and neutral contexts. It's frequently used in news, academic writing, and professional reports.
What's the difference between "greatly affect" and "slightly affect"?
"Greatly affect" indicates a significant or major impact, while "slightly affect" indicates a minor or negligible impact. The choice depends on the magnitude of the effect you want to convey.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested