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
negatively effected
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "negatively effected" is not correct; the correct term is "negatively affected." You can use "negatively affected" when describing a situation or outcome that has been harmed or had a detrimental impact.
Example: "The new policy has negatively affected employee morale and productivity."
⚠ May contain grammatical issues
News & Media
Science
Wiki
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
11 human-written examples
The minister has just asserted it's incorrect to say that lower income Australians are negatively effected.
News & Media
Developing nations are (and have already been) most negatively effected by a rise in global temperatures as Kofi Annan, the former U.N. chief and Nobel Prize winner attests here.
News & Media
You don't think about this much when you're working a desk job, but earlier model rain gauges out in the field could be negatively effected by this natural debris in terms of their performance.
News & Media
Each time I was rejected, my self esteem was negatively effected, so i empathize with those who feel victimized by what I said.
News & Media
Synergy between the MAPK and Akt signaling subsystems negatively effected transcription factor activation. Phosphorylated ERK (ERKpp) activated AR (pAR), and the transcription factors AP1 and ETS all showed a below additive response (Fig. 9B).
Science
Participants also described instances where experiential learning or the misunderstanding of information had negatively effected behavioural beliefs and attitudes.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
One presumes not, as this would undoubtedly negatively effect him.
News & Media
Psychiatrists and researchers say it is too soon to say whether communication on the Internet among people who may be psychotic will negatively effect their illnesses".
News & Media
Miller dismissed criticism that focus on the English game would negatively effect the MLS, with 60% more viewers watching the domestic league compared to last season.
News & Media
Concern about the rise of China's influence was also discussed, with 80% agreeing that granting the country market economy status would negatively effect European businesses.
News & Media
With the Nato summit approaching in September, there have been concerns that the lack of political coordination would negatively effect the already imperilled security transition, making the situation ripe for talks of a soft coup that would restore order.
News & Media
Expert writing Tips
Best practice
Always use "negatively affected" instead of "negatively effected". The latter is grammatically incorrect and can undermine the credibility of your writing.
Common error
The words "affect" and "effect" are often confused. "Affect" is typically used as a verb, meaning to influence something. "Effect" is typically used as a noun, meaning a result or consequence. In the phrase, "negatively affected" is correct because it describes how something is influenced.
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "negatively effected" is incorrect grammatically. The correct form is "negatively affected," where "affected" serves as the verb indicating the action of influencing something in a detrimental way. Ludwig AI highlights this distinction.
Frequent in
News & Media
30%
Science
30%
Wiki
30%
Less common in
Formal & Business
10%
Social Media
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "negatively effected" is generally considered grammatically incorrect. The correct phrase is "negatively affected". This is because "affect" is typically used as a verb to indicate influence, whereas "effect" is usually a noun referring to a result. While "negatively effected" appears in some sources like The Guardian and TechCrunch, as noted by Ludwig, it's essential to use "negatively affected" to ensure grammatical correctness and clarity in your writing. Remembering the difference between "affect" and "effect" will significantly improve the precision and credibility of your communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
negatively affected
Replaces the incorrect "effected" with the correct "affected", maintaining the same meaning.
adversely impacted
Uses "impacted" instead of "effected" to denote a negative consequence or influence.
detrimentally influenced
Employs "detrimentally" and "influenced" to express a harmful effect.
negatively influenced
Replaces "effected" with "influenced", focusing on the negative impact on something.
adversely affected
Uses "adversely" to emphasize the negative nature of the effect.
harmed
A simpler term indicating damage or negative impact.
damaged
Focuses on the detrimental impact, implying harm or impairment.
impaired
Suggests a weakening or diminishing of something's quality or function.
weakened
Indicates a reduction in strength or effectiveness.
undermined
Implies a gradual or subtle weakening of something's foundation or effectiveness.
FAQs
What is the correct way to say "negatively effected"?
The correct phrase is "negatively affected". "Affect" is generally used as a verb, meaning to influence, while "effect" is usually a noun referring to a result.
When should I use "affected" instead of "effected"?
Use "affected" when you mean something has been influenced or impacted. For example, "The budget cuts negatively affected the school's programs."
What are some alternatives to saying something was "negatively affected"?
You can use phrases such as "adversely impacted", "detrimentally influenced", or simply "harmed" to convey a similar meaning.
Is "negatively effected" ever correct?
While extremely rare, "effected" as a verb means to bring about or cause to happen. So, you could say something like, "He negatively effected change", but this is awkward and it is better to rephrase the sentence. The phrase "negatively affected" is much more common and appropriate in most contexts.
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
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested