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
decrease of efficiency
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "decrease of efficiency" is correct and usable in written English.
It can be used when discussing a reduction in the effectiveness or productivity of a process, system, or individual. Example: "The recent changes in the workflow have led to a noticeable decrease of efficiency in our team."
✓ Grammatically correct
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
8 human-written examples
At lower Si/Al ratio, the decrease of efficiency was also observed.
Science
Further increase causes a decrease of efficiency of the process of interest.
Science
From Fig. 3, it is noted the decrease of efficiency is in accordance with increasing thermal length.
There was a significant decrease of efficiency of phagocytic cells in contaminated organisms at days 2 (P = < 0.001), 9 (P = < 0.001) and 17 (P = < 0.001).
Science
The decrease of efficiency is derived mainly from the decline of short current density (Jsc, 16.2 mA/cm2 vs approximately 26 mA/cm2) [12].
Science
A factor for the decrease of efficiency due to capacity loads of the electrolyser is introduced as a range of 80 100%% where 50%% of the wind farms capacity is seen as the ideal capacity level of the electrolyser.
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
No obvious decrease of efficiencies is presented in the 70 charge discharge cycles.
Science
Taken together, there was a balance between the tightness and transcription efficiency, and the improvement of tightness would be accompanied by the decrease of transcription efficiency.
Science
The amplification efficiency is also affected by gDNA contamination, because competitive binding of primers acts as a limiting factor causing decrease of amplification efficiency [ 13].
Science
As a major consequence, increasing modulation order leads to a decrease of power efficiency.
The increase of PCP initial concentration to 1000 mg/L caused the decrease of COP efficiency in removal of PCP.
Science
Expert writing Tips
Best practice
When discussing "decrease of efficiency", be specific about the cause of the reduction. For example, instead of saying "There was a decrease of efficiency", specify "The decrease of efficiency was due to the new software implementation".
Common error
Avoid using "decrease of efficiency" without providing context. Readers need to understand what process or system is becoming less efficient. Make sure to specify the subject experiencing the decreased efficiency.
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decrease of efficiency" functions as a noun phrase that typically serves as the subject or object of a sentence. As Ludwig AI confirms, it is grammatically correct and used to denote a decline in effectiveness. It refers to the reduction in the ability to achieve a desired outcome with minimal waste of resources.
Frequent in
Science
88%
News & Media
6%
Formal & Business
6%
Less common in
Ludwig's WRAP-UP
In summary, "decrease of efficiency" is a grammatically correct phrase used to describe a decline in the effectiveness or productivity of a system or process. As noted by Ludwig AI, it is generally well-received in written English. It's most commonly found in scientific and technical contexts. When using this phrase, it's important to provide context and specify the cause of the decreased efficiency. While alternatives like "reduction in efficiency" and "decline in efficiency" exist, the original phrase remains a clear and acceptable option. The phrase appears in various sources and the usage is straightforward.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
reduction in efficiency
Changes the noun "decrease" to "reduction", maintaining the same core meaning of a decline in effectiveness.
decline in efficiency
Replaces "decrease" with "decline", offering a synonymous way to express a lowering of efficiency.
drop in efficiency
Substitutes "decrease" with "drop", implying a more sudden or pronounced reduction.
loss of efficiency
Uses "loss" instead of "decrease", suggesting that efficiency has been forfeited or is no longer present to the same degree.
reduced efficiency
Reformulates the phrase using an adjective to describe the state of efficiency.
impaired efficiency
Indicates that efficiency has been weakened or damaged.
diminished efficiency
Suggests a gradual reduction in efficiency over time.
compromised efficiency
Implies that efficiency has been negatively affected due to some external factor or trade-off.
weakened efficiency
Suggests that efficiency has lost some of its strength or effectiveness.
erosion of efficiency
Conveys a slow, gradual wearing away of efficiency.
FAQs
How can I use "decrease of efficiency" in a sentence?
You can use "decrease of efficiency" to describe a decline in the effectiveness of a process or system. For example: "The "decrease of efficiency" was observed after the new policy was implemented."
What phrases are similar to "decrease of efficiency"?
Alternatives to "decrease of efficiency" include "reduction in efficiency", "decline in efficiency", or "loss of efficiency".
What causes a "decrease of efficiency"?
A "decrease of efficiency" can result from various factors, such as outdated technology, poor management, inadequate training, or changing market conditions. Identifying the specific cause is crucial for addressing the problem.
Is it better to say "decrease in efficiency" or "decrease of efficiency"?
Both "decrease in efficiency" and "decrease of efficiency" are grammatically correct and understandable. However, "decrease in efficiency" is slightly more common and may sound more natural to some speakers.
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
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested