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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
a unnatural
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a unnatural" is not correct; it should be "an unnatural." You can use "an unnatural" when describing something that is not natural or is artificial in nature. Example: "The film featured an unnatural portrayal of human emotions." Alternative expressions include "an artificial" and "a synthetic."
⚠ May contain grammatical issues
News & Media
Science
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
5 human-written examples
"But when they are put in a unnatural position, when there clearly is a sexual connotation, that's going too far, in my opinion.
News & Media
To progress you'll need to gain energy by running over glowing blue platforms – judging whether or not to make the leap leaves you trying to plot optimal routes in a unnatural space with frightening speed.
News & Media
The result for the auditory voice interface was encouraging as the current implementation has several limitations including a unnatural monotone voice and on occasion is difficult to follow, the participants were able to look past these issues and determine that auditory/voice based interaction would be useful.
Seraphim responded to the plans to make Greece join the rest of Europe in the 21st century by stating that "homosexuality is a unnatural aberration not even observed in animals".
News & Media
For his latest act, Lindstrøm's remixed New York duo MS MR's "Painted," building a crisp, slow-burning disco-house track out of the two most poignant lines in the song: "A cruel dark box where a shadow took my place/when you put me in a unnatural space".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
That you are an unnatural woman, a child-hater?
News & Media
Rules that, when changed, can quickly turn a natural into an unnatural.
News & Media
And talking about what you know well makes an unnatural situation a little more comfortable.
News & Media
"It is a natural response to an unnatural environment".
News & Media
"Living life as a public person is an unnatural way to live," he said.
News & Media
THE VIEW FROM LAZY POINT: A Natural Year in an Unnatural World, by Carl Safina John Macrae/Holtt, $32).
News & Media
Expert writing Tips
Best practice
Always use the indefinite article "an" before words that begin with a vowel sound. Since the word "unnatural" begins with the short 'u' vowel sound (/ʌ/), it must be preceded by "an".
Common error
Writers sometimes default to "a" before any word they haven't phonetically processed, leading to errors like "a unnatural". Even if a word is later edited into the sentence, ensure the preceding article is updated to match the new starting sound.
Linguistic Context
The phrase "a unnatural" functions as an incorrectly constructed noun phrase modifier. In English, the indefinite article must agree with the phonology of the following word. Ludwig AI correctly identifies that the vowel sound at the start of 'unnatural' requires the article 'an'. Examples in Ludwig show this error appearing primarily in fast-paced media writing.
Frequent in
News & Media
65%
Science
20%
Wiki
10%
Less common in
Academia
3%
Formal & Business
1%
Social Media
1%
Ludwig's WRAP-UP
The phrase "a unnatural" is a common grammatical slip found even in high-tier publications. According to Ludwig AI and standard English rules, the correct expression is "an unnatural" because the word 'unnatural' begins with a vowel sound. While you may see this error in transcriptions or unedited news clips, it should be avoided in all forms of professional and academic writing. Using "an unnatural" or alternatives like "an artificial" will ensure your prose remains polished and correct.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an unnatural
Uses the correct indefinite article for a word starting with a vowel sound
an artificial
Specifies that something is man-made rather than just not natural
an abnormal
Shifts the focus to a deviation from a statistical or healthy norm
an unusual
A softer alternative indicating that something is simply not common
a strange
Focuses on the perception of the object as being weird or unfamiliar
a synthetic
Commonly used in chemical or material contexts to denote non-organic origins
an affected
Specifically used for behavior or mannerisms that feel forced or fake
an anomalous
A more technical term for something that doesn't fit a pattern
a non-natural
Uses a hyphenated prefix to avoid the vowel-sound issue while keeping the core word
an inorganic
Refers to matter that is not composed of organic life or feels mechanical
FAQs
Which is correct, "a unnatural" or "an unnatural"?
The correct form is "an unnatural". The choice between 'a' and 'an' depends on the sound of the following word, and because 'unnatural' starts with a vowel sound, 'an' is required.
What can I say instead of "a unnatural"?
You should use the correct grammar "an unnatural", or consider synonyms like "an artificial" or "an unusual" depending on your specific meaning.
Why do some famous news sources use "a unnatural"?
Occurrences in reputable outlets are typically typographical errors or verbatim transcriptions of spoken word. Despite these sightings, "a unnatural" remains grammatically incorrect in standard English.
How do I fix "a unnatural" in my writing?
Simply replace the 'a' with 'an' to create "an unnatural". This ensures proper flow and adherence to English phonetic rules.
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