An useful

USAGE SUMMARY

The phrase "An useful" is not correct in written English.
The correct form is "A useful" because "useful" begins with a consonant sound. Example: "It is a useful tool for improving productivity."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

An useful option is to prevent wastage of produce by drying, using solar energy.

World Renewable Energy Congress VI Renewables: The Energy for the 21st Century World Renewable Energy Congress VI 1–7 July 2000 Brighton, UK

An useful complementary method to INAA is Instrumental Photon Activation Analysis (IPAA), which enables the determination of the above elements.

Chemistry Central Journal

An useful discussion about path discretization is given by [9].

Plosone

An useful advances include the increasing amount of fine-grained species co-occurrence data collated in different databases.

Biological Reviews

We show the possibility of using neural networks as an useful tool for real-time data analysis.

Advances in Space Research

An Inverse Burr distribution is proposed as an useful alternative for the probabilistic modeling of extreme values of wind speed.

Electric Power Systems Research

These solutions and the used technologies make the VPL station an useful tool available to the analysts for rapid surveys.

Procedia - Social and Behavioral Sciences

It is shown that cyclic thermogravimetry is an useful technique for quantifying the oxidation resistance of an industrial alloy.

Acta Materialia

If there had been a general election, the spending plans over the next three years would have offered an useful manifesto.

The Guardian - Opinion

Also, we state an useful comparison theorem for the solutions.

Journal of Inequalities and Applications

Ultrasound is an useful tool for detecting obturator hernia.

Critical Ultrasound Journal

Expert writing Tips

Best practice

Always use "a" before words that begin with a consonant sound. Remember the rule: "a" before consonants, "an" before vowels (a, e, i, o, u).

Common error

Avoid using "an" before words that sound like they begin with a vowel but are consonants. For example, "an university" is incorrect; it should be "a university" because "university" begins with a 'y' sound, which is a consonant.

Linguistic Context

The phrase "an useful" functions as an adjective phrase intending to modify a noun. However, it is grammatically incorrect, as Ludwig AI points out, because "useful" begins with a consonant sound, requiring the article "a" instead of "an".

Expression frequency: Very common

Frequent in

Science

82%

News & Media

15%

Formal & Business

3%

Less common in

Ludwig's WRAP-UP

In summary, while the phrase "an useful" appears frequently across various sources, including scientific and news media, it is grammatically incorrect. The correct form is "a useful" because "useful" begins with a consonant sound. Ludwig AI confirms this, and it's crucial to use the proper article to maintain grammatical accuracy. Alternatives like "a helpful" or "a valuable" can be used depending on the intended nuance. Remember to prioritize grammatical correctness for clear and effective communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

A useful

Corrects the article usage to "a" because "useful" starts with a consonant sound.

A helpful

Replaces "useful" with a synonym that emphasizes assistance and practicality.

A valuable

Substitutes "useful" with a term highlighting worth and importance.

A beneficial

Replaces "useful" with a synonym that emphasizes the positive outcomes or advantages.

An effective

Replaces "useful" with a synonym focusing on achieving a desired result.

A practical

Substitutes "useful" with a term highlighting its relevance to real-world applications.

A handy

Replaces "useful" with a more informal term suggesting convenience and ease of use.

A worthwhile

Substitutes "useful" with a term emphasizing the value and merit.

An advantageous

Replaces "useful" with a more formal term indicating a benefit or advantage.

A productive

Substitutes "useful" with a term emphasizing the ability to yield results.

FAQs

What is the correct way to write “an useful”?

The correct way to write it is "a useful". The article "a" is used before words that start with a consonant sound, even if the first letter is a vowel but it doesn't make the vowel sound.

When should I use 'a' versus 'an'?

Use "a" before words that begin with a consonant sound (e.g., "a useful tool", "a historical event"). Use "an" before words that begin with a vowel sound (e.g., "an apple", "an hour"). It's the sound that matters, not just the letter.

What are some alternatives to saying something is "an useful" tool?

Since "an useful" is grammatically incorrect, you could say it's "a helpful", "a valuable", or "an effective" tool, depending on the specific meaning you want to convey.

Is it ever correct to use 'an' before a word starting with 'u'?

Yes, but only if the 'u' makes a vowel sound (like in "umbrella"). If the 'u' makes a 'yoo' sound (as in "useful" or "university"), you should use 'a'.