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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
Not effective
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Not effective" is correct and usable in written English.
You can use it to describe something that does not achieve the desired result or outcome. Example: "The new marketing strategy was not effective in increasing sales as anticipated."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(5)
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
56 human-written examples
"DDT was not effective".
News & Media
They were not effective".
News & Media
"They're not effective solutions.
News & Media
It was not effective.
News & Media
Anthony was not effective in overtime.
News & Media
"You're not effective if you alienate people".
News & Media
Her campaign was just not effective.
News & Media
This top-down approach is not effective.
News & Media
It just makes them not effective.
News & Media
Bowdlerized versons of tales are not effective.
News & Media
Antibiotics are not effective against the flu.
News & Media
Expert writing Tips
Best practice
Use "not effective" when you want to clearly state that something isn't producing the intended results. Consider using synonyms like "ineffective" or "unsuccessful" for brevity, depending on context.
Common error
Avoid using double negatives such as "not not effective", which can confuse your readers. Instead, rephrase to use a positive statement if the intention is to convey effectiveness.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not effective" functions as an adjective phrase. As Ludwig AI confirms, it describes something that lacks the ability to produce a desired result or outcome. It modifies nouns, indicating a deficiency in achieving a specific purpose, similar to examples shown in Ludwig.
Frequent in
News & Media
45%
Science
35%
Formal & Business
10%
Less common in
Wiki
3%
Social Media
2%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "not effective" is a grammatically sound and frequently used expression to describe something failing to produce the intended outcome. Ludwig AI confirms its correctness and widespread applicability. It appears most commonly in news, scientific, and business contexts. While synonyms like "ineffective" offer conciseness, "not effective" provides directness. When writing, avoid double negatives to maintain clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Ineffective
Single word equivalent with the same meaning, often used for conciseness.
Did not work
Simple and direct expression indicating a failure to achieve the intended purpose.
Unsuccessful
Focuses on the failure to achieve a desired outcome or goal.
Lacked impact
Emphasizes the absence of a significant or noticeable effect.
Failed to deliver
Focuses on the failure to meet expectations or produce the promised results.
Didn't make a difference
Highlights the lack of impact or change resulting from a particular action or intervention.
Not potent
Emphasizes a lack of strength or power in producing the desired effect.
Not efficacious
A more formal synonym, highlighting a lack of ability to produce the desired result or effect.
Proved fruitless
Suggests that efforts expended did not yield any positive results.
Was of no avail
A more literary expression emphasizing the lack of positive outcome despite effort.
FAQs
What does "not effective" mean?
The phrase "not effective" means something is not producing the desired or intended result. It indicates a lack of efficacy or success in achieving a particular goal.
How can I use "not effective" in a sentence?
You can use "not effective" to describe methods, strategies, treatments or anything that fails to achieve its purpose. For example: "The new policy was "not effective" in reducing crime rates."
What are some alternatives to saying "not effective"?
Depending on the context, you can use alternatives like "ineffective", "unsuccessful", "futile", or "fruitless". These words all suggest a lack of positive outcome or result.
When is it better to use "ineffective" instead of "not effective"?
Using "ineffective" can often be more concise and direct, particularly in formal writing. However, "not effective" may be preferred when you want to emphasize the lack of effectiveness more explicitly, or when it forms part of a longer phrase or clause.
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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