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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
affect
Grammar usage guide and real-world examplesUSAGE SUMMARY
'affect' is correct and usable in written English.
It is most commonly used as a verb meaning to influence or cause change in something. Example sentence: His words had an immediate affect on her mood.
✓ Grammatically correct
News & Media
Formal & Business
Science
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
"Although the investigation is in its early stages, we will take action to protect the public if we uncover evidence that could affect the safety of other rides at the park or elsewhere".
News & Media
"It is not going to affect the set-up for the game in any way, shape or form.
News & Media
A Department for Transport spokesman said: "It is extremely disappointing that Network Rail's engineering works have overrun and will affect travellers during this festive season, passengers will be rightly annoyed.
News & Media
Further Scottish devolution and measures that will give English MPs more say over laws that only affect England.
News & Media
Though all of us are all sensitive to heat, and quick to react when it climbs above our comfort levels, our knowledge of how it might affect our health doesn't really go beyond sunstrokes and fainting spells.
News & Media
Writing before the announcement that Australia was withdrawing its ambassador, he predicted the executions would affect Australians' perceptions of Widodo for the rest of his tenure, but warned against such a step.
News & Media
When interviewed, aspiring journalists with disabilities said the issues that concerned them most were: whether or not to disclose their disability in a covering letter with their CV; if they had the right image for the employer; and whether or not the disability would affect their ability, or perceived ability, to perform a task.
News & Media
How do you think urbanisation will affect the way NGOs work?
News & Media
Related: How will an ageing population affect legacy fundraising?
News & Media
I think that's one of the pleasing things of the last four days, that they haven't let it affect them".
News & Media
Ben Marks of OpinionPanel said: "It's interesting that the new arrangements won't even affect the current crop of students; it's those starting from 2012 who'll really be affected.
News & Media
Expert writing Tips
Best practice
Consider the intensity of the impact you want to convey. If a strong impact is intended, "impact" might be a better choice than "affect".
Common error
A common mistake is using "affect" when "effect" is needed. "Affect" is primarily a verb, while "effect" is often a noun. Remember: "affect" influences; "effect" is the result.
Source & Trust
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "affect" is a transitive verb, meaning it requires a direct object. As Ludwig AI indicates, "affect" commonly expresses the action of influencing or causing a change in someone or something.
Frequent in
News & Media
35%
Formal & Business
30%
Science
20%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "affect" functions primarily as a verb meaning to influence or have an impact on something. As Ludwig AI confirms, it's crucial to differentiate "affect" from "effect", a commonly made mistake. "Affect" is prevalent across various contexts, notably in news, business, and scientific domains. To ensure accurate usage, remember that "affect" is an action, whereas "effect" is a result. By paying attention to these nuances, you can confidently and correctly incorporate "affect" into your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
influence
Focuses specifically on the power to have an effect on someone or something, usually indirectly.
impact
Emphasizes a strong or significant effect.
alter
Highlights the change or modification brought about.
change
Indicates a transformation or modification.
modify
Suggests a slight alteration or adjustment.
feign
Specifically refers to pretending or giving a false appearance.
simulate
Means to create a simulation or model of something.
touch
Implies emotional impact or influence.
bear upon
Suggests relevance or connection to something.
bear on
Suggests relevance or connection to something.
FAQs
How is "affect" typically used in a sentence?
The word "affect" is generally used as a verb to indicate that something is influencing or causing a change in something else. For example, "The weather can "influence" your mood".
What's a good alternative to "affect" that still implies influence?
Which is correct: "affect" or "effect"?
The correct word depends on the context. "Affect" is usually a verb meaning to influence, while "effect" is usually a noun meaning a result or consequence. Using them interchangeably is a common error; if you need a verb, "affect" is often the better choice, but consider if other synonyms such as "influence" are more appropriate.
How can I best avoid misusing the word "affect"?
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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
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested