a certain number

USAGE SUMMARY

The phrase "a certain number" is correct and usable in written English.
You can use it when talking about an unspecified amount of something. For example, "I have attended a certain number of lectures on the subject."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

A certain number are reviewed.

The New York Times

Sadly, a certain number get away.

The New Yorker

"A certain number of ships can only process a certain number of people," he said.

The Guardian

There's a certain number of gigatons of carbon and a certain number we can't burn.

The Guardian

A certain number of them are going to get away.

The New York Times

"We condition them to pitch a certain number of innings.

The New York Times - Sports

Our method allows you to pinpoint a certain number".

The New Yorker

"This bet is founded on a certain number of risks".

The New York Times

"It's getting a certain number of balls in the air".

The New York Times

"After a certain number, the glass heats up and breaks".

The New York Times - Style

"I want to play in a certain number of matches.

The Guardian - Sport

Expert writing Tips

Best practice

When using "a certain number", ensure the context provides sufficient information for the reader to understand the relative quantity being discussed. If precision is needed, consider specifying the exact number.

Common error

Avoid using "a certain number" when the exact quantity is known or can be easily determined. Providing specific numbers enhances clarity and credibility.

Linguistic Context

The phrase "a certain number" functions as a determiner phrase, modifying a noun to indicate an unspecified quantity. As Ludwig AI confirms, it's grammatically correct and widely used. The examples show it used to express amounts without being precise.

Expression frequency: Very common

Frequent in

News & Media

48%

Science

30%

Academia

10%

Less common in

Wiki

5%

Formal & Business

5%

Reference

2%

Ludwig's WRAP-UP

In summary, "a certain number" is a versatile phrase used to denote an unspecified quantity. As verified by Ludwig AI, it is grammatically sound and commonly found across diverse writing styles, particularly in news, scientific, and academic contexts. While appropriate in many situations, remember that clarity and precision are key: If you know the exact quantity, specifying it will always enhance your writing. For situations where precision is either unnecessary or impossible, "a certain number" provides a convenient way to express an undefined quantity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a particular amount

Focuses on an amount that is distinct but not specified.

a specific quantity

Emphasizes that the quantity, while not explicitly stated, is definite and known.

a given quantity

Suggests a predetermined, although unstated, amount.

an undefined quantity

Highlights the lack of precise definition for the amount or number.

an approximate figure

Denotes a quantity that is estimated but not exact.

a select few

Implies a small, carefully chosen group or quantity.

some instances

Refers to an unspecified number of occurrences or examples.

a proportion of

Suggests a part of a whole, without specifying the exact number.

a finite amount

Emphasizes that the quantity is limited and not infinite.

a quota of

Implies a required or expected number or quantity.

FAQs

How can I use "a certain number" in a sentence?

You can use "a certain number" to refer to an unspecified quantity of something. For example, "A certain number of students failed the exam" indicates that some, but not all, students failed.

What are some alternatives to using "a certain number"?

Depending on the context, you could use phrases like "some", "several", "a few", or "a particular amount" instead of "a certain number".

Is it better to use "a certain number" or specify the exact quantity?

It depends on the situation. If the exact quantity is known and relevant, it's better to specify it. Use "a certain number" when the precise amount is unknown, irrelevant, or confidential.

What's the difference between "a certain number" and "a considerable number"?

"A certain number" simply indicates an unspecified quantity, while "a considerable number" implies that the quantity is large or significant.