an upper limit

USAGE SUMMARY

'an upper limit' is correct and can be used in written English.
You can use it when referring to a maximum amount, quantity, or boundary of something. For example: "The team set an upper limit of ten hours on the project."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

a An upper limit of 104 weeks was used.

BMC Psychiatry

$25 was just an upper limit by the way.

The New York Times - Food

The US has not set an upper limit.

Independent

The statistician Reza Noubary agrees, estimating "with 95% confidence" an upper limit of 9.44.

The Guardian - Sport

Since 2000, tuition in England has jumped from £0 to an upper limit of £9,000.

The Guardian

Until the prime minister's announcement, it had set an upper limit of 750 refugees a year.

The Guardian - Opinion

Groups on the register must keep to an upper limit of £700,000.

The Guardian

Why is there an upper limit to the growth of trees?

The New York Times

But energy reselling is only possible in 14 markets, which creates an upper limit problem.

The Guardian

I love raspberries, but due to their acidity I have an upper limit.

The Guardian - Lifestyle

A variety of influences place an upper limit to the size of organisms.

Encyclopedia Britannica

Expert writing Tips

Best practice

When using "an upper limit", clearly define what is being limited to avoid ambiguity. For example, "an upper limit of 1000 units per month" is more precise than simply "an upper limit".

Common error

Avoid assuming the "upper limit" is universally understood. Explicitly state what is being limited, especially in technical or formal writing, to prevent misinterpretations.

Linguistic Context

The phrase "an upper limit" functions as a noun phrase, often serving as a subject complement or as an object of a preposition. It indicates a maximum or a boundary that cannot be exceeded. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

Science

36%

News & Media

40%

Encyclopedias

8%

Less common in

Wiki

4%

Formal & Business

4%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "an upper limit" is grammatically sound and widely used to denote a maximum boundary or restriction. Ludwig AI confirms its versatility across various registers, from scientific and technical writing to news media and general conversation. The phrase functions primarily as a noun phrase, serving to define boundaries and set expectations. While suitable for both formal and informal contexts, ensure clarity by explicitly stating what is being limited. Common errors involve ambiguity regarding the scope of the limit. Alternatives such as "a maximum threshold" and "a highest bound" can be employed for added formality. The phrase is very common, appearing frequently in Science, News & Media and Encyclopedias. The phrase is easy to understand and implement in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a highest bound

Synonymous replacement of both "upper" and "limit".

a maximum cap

Replaces "limit" with "cap", both indicating a restriction on quantity.

a maximum threshold

Replaces "limit" with "threshold", emphasizing a point beyond which something cannot exceed.

an utmost boundary

Replaces "upper" with "utmost", indicating the highest possible extent.

a ceiling

Uses a metaphor to describe the maximum level or value.

a peak value

Focuses on the maximum numerical value or quantity.

the maximum extent

Replaces "limit" with "extent", emphasizing the range or scope.

the top end

Informal way to describe maximum value.

a limitation

Uses a more general term suggesting any restriction.

a restriction

A broad term that indicates a limiting rule or condition.

FAQs

How is "an upper limit" used in a sentence?

Use "an upper limit" to specify the maximum permissible amount or degree of something. For instance, "The budget has "an upper limit" of $1 million."

What's a formal way to say "an upper limit"?

In formal contexts, you can use alternatives such as "a maximum threshold" or "a highest bound" to convey a similar meaning with increased formality.

Which is correct, "an upper limit" or "a lower limit"?

Both ""an upper limit"" and "a lower limit" are correct; they simply refer to opposite ends of a range or scale, indicating the maximum and minimum permissible values, respectively.

What is the difference between ""an upper limit"" and "an upper bound"?

While similar, ""an upper limit"" generally refers to a practical or imposed restriction, whereas "an upper bound" often refers to a mathematical or theoretical constraint. They can often be used interchangeably depending on context.