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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a unreliable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a unreliable" is not correct in written English.
The correct form is "an unreliable" because "unreliable" begins with a vowel sound. Example: "He is known for being an unreliable source of information."
⚠ 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
7 human-written examples
But the special factors that have lowered the yield on the 30-year bond make it a unreliable predictor, according to some economists.
News & Media
Much of the book's significance lies in the shocking twist that Bateman's violent behaviour may have never happened at all, and are just the imaginings of a unreliable narrator.
News & Media
Furthermore, the incidence of RRT may be a unreliable outcome measure, since most centres had no clear protocol for it.
Science
But even that would be a unreliable process, stressed Hoagland.
News & Media
Ron thinks that Mitt's assault on Newt as a "unreliable... bomb-thrower" -- e.g., Palestinians as an "invented people", child labor instead of janitors, subpoenaing "dictatorial" judges -- has been adept and successful.
News & Media
This aspect of pain assessment is essential, because even residents with cognitive impairment should be engaged with eye contact and inquiries into their level of comfort and not discounted as a unreliable source.
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
Williams won despite an unreliable serve, a poor second set and 51 unforced errors.
News & Media
The American novelist Stephen Crane, according to an unreliable contemporary, began a book about a male prostitute.
News & Media
"Constellations of the City was an experiment with an unreliable technology.
News & Media
A disorganised site suggests an unreliable builder.
News & Media
There are problems inherent in dealing with both a shape-shifter and an unreliable narrator.
News & Media
Expert writing Tips
Best practice
Always check the initial sound of the word following an indefinite article. Since 'unreliable' begins with the vowel sound /ʌ/, you must use 'an' to ensure smooth phonetic transition.
Common error
Writers sometimes default to 'a' because they are focused on the noun further down the sentence or are writing quickly. Even in prestigious outlets like The New York Times, this typo occurs. Always proofread specifically for the 'a' vs 'an' distinction before adjectives.
Linguistic Context
The phrase "a unreliable" functions as a noun modifier, typically consisting of an indefinite article and an adjective. However, according to linguistic standards and Ludwig AI, this specific combination is a grammatical lapse. The article 'a' is phonetically incompatible with the vowel sound beginning 'unreliable'.
Frequent in
News & Media
55%
Science
40%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The analysis of "a unreliable" reveals a clear discrepancy between intended meaning and grammatical execution. While the phrase appears in highly reputable sources such as The New York Times and The Guardian, Ludwig AI identifies it as an error. The correct form is always "an unreliable". In high-stakes writing, this mistake can undermine the author's credibility. Writers should remain vigilant when placing indefinite articles before adjectives starting with vowels, as these are common sites for typos in professional media and scientific reporting.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an unreliable
Correct grammatical form using the appropriate indefinite article for a vowel sound
an untrustworthy
Stronger synonym implying a lack of integrity or honesty
a dubious
Suggests something is suspect or of questionable value
an erratic
Focuses on the lack of consistency or predictability
a questionable
Implies doubt regarding the validity or reliability of the subject
an inconsistent
Refers to a lack of steady behavior or performance
a shaky
Informal term for something that is unstable or likely to fail
a fickle
Used primarily for people who change their minds or loyalties frequently
an unstable
Suggests a systemic lack of balance or permanence
a flaky
Informal and colloquial term for an unreliable person
FAQs
Is "a unreliable" correct in English?
No, "a unreliable" is considered grammatically incorrect. The word 'unreliable' starts with a vowel sound, so it should be preceded by the article "an unreliable".
What is a better way to say "a unreliable"?
You should use the grammatically correct "an unreliable" or choose a different adjective such as "a dubious" or "a questionable" if you want to avoid the vowel sound.
Why do I see "a unreliable" in news articles?
While it appears in some sources, it is almost always a typographical error or a result of last-minute editing where an adjective was changed but the article was not updated. It is not an accepted stylistic choice.
Can I use "a unreliable" in formal writing?
You should strictly avoid using "a unreliable" in formal or professional contexts. Using "an untrustworthy" or "an unreliable" ensures your writing remains professional and accurate.
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