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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at a highest rate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at a highest rate" is not correct in English.
It should be "at the highest rate." You can use the corrected phrase when discussing the maximum level or speed of something, such as interest rates, production rates, or performance metrics. Example: "The company is currently operating at the highest rate of production to meet demand."
⚠ May contain grammatical issues
Science
News & Media
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
1 human-written examples
GATA6 methylation occurred at a highest rate.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Smaller regional airlines misplace bags at a higher rate.
News & Media
Why do they think boomers divorce at a higher rate?
News & Media
"So they open it at a higher rate".
News & Media
Yet fishing has continued at a high rate.
News & Media
"He believes he can compound the money at a higher rate than an institution can.
News & Media
A major reason is that black women vote at a higher rate than black men.
News & Media
"They had a long tradition of having students separated at a higher rate.
News & Media
Mr. Saakashvili thinks, talks and moves at a high rate of speed.
News & Media
We saw crime rising, families breaking up at a higher rate.
News & Media
LGBT people, too, drink, smoke and take drugs at a higher rate than our straight counterparts.
News & Media
Expert writing Tips
Best practice
When intending to denote the greatest level or speed of something, utilize "at the highest rate" instead of "at a highest rate" for grammatical accuracy. For example, "The company is producing goods at the highest rate this quarter."
Common error
Avoid using the indefinite article "a" with superlative adjectives like "highest". Always use the definite article "the" in such cases. A correct example: "The plant is operating at the highest efficiency".
Source & Trust
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at a highest rate" functions as an adverbial phrase, intending to modify a verb by describing the rate or speed at which an action occurs. Ludwig AI identifies it as grammatically incorrect; the correct form is "at the highest rate".
Frequent in
Science
33%
News & Media
33%
Formal & Business
33%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "at a highest rate" is grammatically incorrect; the correct form is "at the highest rate". While it aims to express a maximum level or speed, the improper grammar undermines its effectiveness. Ludwig AI confirms this grammatical issue. Usage is rare, but when corrected, it is suitable for neutral contexts like news or scientific reporting. Remember to use "the" instead of "a" before superlative adjectives. Consider using alternatives like "at the peak rate" or "at a maximum rate" for clearer communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
at the highest rate
This is the grammatically correct form of the original phrase, replacing the indefinite article "a" with the definite article "the".
at a peak rate
Substitutes "highest" with "peak", conveying the same idea of reaching a maximum level or point.
at a maximum rate
Replaces "highest" with "maximum", providing a synonym that emphasizes the upper limit.
at the maximum level
Changes "rate" to "level", offering a different noun to describe the point of culmination.
at the peak level
Combines "peak" and "level", stressing the idea of reaching the uppermost extent.
at an unparalleled rate
Emphasizes the uniqueness of the rate, suggesting it's the best or greatest ever seen.
at a record rate
Implies the rate is the best ever achieved, similar to setting a new record.
at the uppermost limit
Uses "uppermost limit" to highlight the idea of being at the maximum boundary.
at the top of the scale
Implies being at the highest point on a measurable range.
at full capacity
Highlights that whatever is measured is performing or producing at its greatest possible extent.
FAQs
How can I correctly use the phrase "at a highest rate"?
The grammatically correct form is "at the highest rate". Use this when you want to indicate that something is happening at its maximum level or speed.
What's a good alternative to saying "at a highest rate"?
Alternatives include "at the peak rate" or "at a maximum rate", both of which convey a similar meaning with slightly different emphasis.
Is it ever correct to say "at a highest rate"?
No, the correct phrasing is "at the highest rate". The use of the definite article "the" is required before superlative adjectives like "highest".
How does "at a highest rate" differ from "at a high rate"?
"At a high rate" indicates a generally fast or significant pace, while "at the highest rate" specifically denotes the absolute maximum pace or level achievable.
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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
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested