Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

an worst

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an worst" is not correct in written English.
It should be "the worst" instead, as "worst" begins with a consonant sound. Example: "This is the worst movie I've ever seen."

⚠ May contain grammatical issues

News & Media

Science

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Surelly there's got to be an worst ratio between caps and goals among other international forwards in the sports history, right?" "David Meyler was the Republic of Ireland's captain last week in their 4-1 friendly win over the USA in Dublin," notes Jamie Ralph.

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

As an example, a worst case scenario of production process failure has been considered.

That's sort of an upper bound, a worst case.

Because a worst date shared, is a worst date worth having.

News & Media

BBC

For a network ofnsites the pebble game has a worst case performance ofO(n2).

"A Worst Practices Guide to Insider Threats". Insider Threats.

It has a worst case retention time of 175 μs.

But that's a worst case, Miyagi said.

It's hard to pick a worst day.

News & Media

The Guardian

It couldn't have happened at a worst time.

Their assumptions will be guided on a "worst case" basis.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Always use the definite article "the" before superlative adjectives like "worst". For example, say "the worst case scenario" instead of "an worst case scenario".

Common error

Avoid using the indefinite articles "a" or "an" before superlative adjectives. Superlatives indicate the highest degree of something and require the definite article "the".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

79%

Authority and reliability

1.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an worst" functions as an incorrect attempt to use a determiner before a superlative adjective. Ludwig AI confirms that this construction violates standard English grammar. The correct form is "the worst".

Expression frequency: Rare

Frequent in

News & Media

20%

Science

20%

Academia

20%

Less common in

Formal & Business

15%

Wiki

15%

Reference

10%

Ludwig's WRAP-UP

The phrase "an worst" is a grammatically incorrect construction. The correct way to express the superlative of something negative is to use "the worst". As Ludwig AI points out, the indefinite article "an" is inappropriate before "worst", which begins with a consonant sound and requires the definite article "the" when used as a superlative. While the phrase appears across various source types, its incorrectness makes it unsuitable for formal writing.

FAQs

Why is it incorrect to say "an worst"?

The word "worst" begins with a consonant sound. The rule is to use "a" before consonant sounds and "an" before vowel sounds. Therefore, the correct article to use before "worst" is "a", but in this case the phrase requires the definite article: "the "worst"".

What is the correct way to use "worst" in a sentence?

Use "the" before "worst" to indicate the superlative degree. For example, "This is the worst movie ever". You might also consider phrases like "most terrible" or "least desirable" depending on the context.

Are there any situations where "a worst" is grammatically correct?

While "a worst" is grammatically incorrect on its own, you might encounter constructions where "a" modifies a noun phrase that includes "worst", such as "a worst-case scenario". However, "the worst-case scenario" is more common and often preferred.

What alternatives can I use instead of "an worst" to express a negative superlative?

Consider using phrases like "the most awful", "the most unfavorable", or idiomatic expressions like "the absolute pits" to convey a similar meaning.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

79%

Authority and reliability

1.8/5

Expert rating

Real-world application tested

Most frequent sentences: