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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
increase or decrease
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "increase or decrease" is correct and usable in written English.
It can be used when discussing changes in quantity, value, or intensity, often in contexts like finance, statistics, or general comparisons. Example: "The report indicates a significant increase or decrease in sales over the last quarter."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(2)
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
58 human-written examples
What causes it to increase or decrease?
Change indicates increase or decrease in the percentage.
News & Media
Do they increase or decrease the noise levels?
News & Media
However, polyploidy could increase or decrease salt tolerance43.
Science & Research
This could dramatically increase or decrease your power.
News & Media
Learning takes place only when something unexpected happens and dopamine firing rates increase or decrease.
News & Media
You may want to increase or decrease that and alter the quantity of toasted mustard seed.
News & Media
Isometric strength did not increase or decrease significantly after SDR.
"Will this increase or decrease the pool of resources?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
"4.06 Increased or Decreased Contract Quantities.
Academia
Gallup also asked if immigration should be increased or decreased.
News & Media
Expert writing Tips
Best practice
When describing trends or changes, use "increase or decrease" to indicate the possibility of either upward or downward movement. This avoids making premature assumptions about the direction of change.
Common error
Avoid using "increase or decrease" when the context clearly indicates a change in only one direction. For instance, if you're discussing expected cost reductions, stick to "decrease" instead of using the dual phrase.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "increase or decrease" functions as a compound verb phrase that describes a potential change in either direction. Ludwig AI examples demonstrate its use in various contexts to indicate fluctuation or variability. It serves to express uncertainty about the specific direction of change.
Frequent in
News & Media
38%
Academia
24%
Science
23%
Less common in
Wiki
12%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "increase or decrease" is a versatile and grammatically sound expression used to indicate potential changes in either an upward or downward direction. Ludwig AI confirms that it is most commonly found in news, academic, and scientific contexts. Its neutral register makes it suitable for formal and professional communications, where precision and objectivity are important. To avoid redundancy, ensure its use only when both possibilities are relevant. Consider more specific alternatives like ""rise or fall"" or "grow or shrink" when the direction of change is known or implied.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
rise or fall
This alternative uses more general terms to describe upward or downward movement.
grow or shrink
This alternative is suited for contexts involving size, quantity, or extent.
escalate or diminish
This alternative suggests a gradual increase or decrease, often in intensity or scale.
amplify or reduce
This alternative is useful when discussing the magnitude or strength of something.
inflate or deflate
This alternative is particularly apt when referring to financial or economic contexts.
expand or contract
This alternative highlights changes in physical dimensions or scope.
wax or wane
This alternative evokes a cyclical pattern of increase and decrease, often used metaphorically.
appreciate or depreciate
This alternative is typically used in financial contexts to describe changes in value.
augment or lessen
This alternative is applicable when discussing the degree or amount of something.
build up or decline
This alternative suggests a gradual accumulation or deterioration over time.
FAQs
How do I use "increase or decrease" correctly in a sentence?
Use "increase or decrease" to indicate that a quantity, value, or intensity may either go up or down. For example: "The company's profits may "rise or fall" depending on market conditions."
What are some alternatives to "increase or decrease"?
Depending on the context, you could use phrases like ""rise or fall"", "grow or shrink", or "fluctuate" as alternatives to "increase or decrease".
Is it redundant to use "increase or decrease" together?
No, using "increase or decrease" is not redundant when you want to express the possibility of change in either direction. It explicitly covers both potential outcomes.
Which is more formal, "increase or decrease" or "rise or fall"?
"Increase or decrease" is generally considered more formal than ""rise or fall"", especially in technical or business writing.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested