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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a unprofessional
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a unprofessional" is not correct in written English. It should be "an unprofessional" because "unprofessional" begins with a vowel sound. You can use it in contexts discussing behavior or actions that lack professionalism. Example: "His unprofessional conduct during the meeting was noted by everyone." Alternative expressions include "an amateur" or "a non-professional."
News & Media
Academia
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
2 human-written examples
So a co-worker, say, commenting that wearing yoga pants in the office is (a) unprofessional and (b) distracting.
If you put in a unprofessional performance like how we have done, making mistakes, you will always get beat.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
I had to work with a very young child, a dog, and an unprofessional crew except for the cinematographer, who was nagging and complaining all the time.
Wiki
The cadet, Chad Tucker, a junior, is also accused of misusing a government travel card and having an "unprofessional relationship with an enlisted member".
News & Media
Unfortunately, one student described a situation in which she witnessed a tutor behaving in an unprofessional manner.
Science
This created an unprofessional environment in a supposedly professional environment.
News & Media
A boring blog or an unprofessional Web site is worse than none at all, Ms. Paprocki said.
News & Media
"We do not accept that it was handled in an unprofessional manner," said a spokesman.
News & Media
In what looked like an unprofessional lapse after a night of drinking, Carrie had sex with Brody in a parking lot.
News & Media
After what I felt was an unprofessional response to a traumatic life event, I canceled my standing appointment through the reception desk and never went back.
News & Media
"We do not accept that it was handled in an unprofessional manner," said a club spokesman.
News & Media
Expert writing Tips
Best practice
When proofreading, look for instances where a list marker like '(a)' might be mistaken for an article, as seen in some academic texts provided by Ludwig.
Common error
Do not assume that because 'unprofessional' starts with a 'u', it might follow the same pattern as 'a university' (which starts with a 'y' sound). 'Unprofessional' always starts with a vowel sound, making "a unprofessional" a clear grammatical error in any edited text.
Linguistic Context
In the phrase "a unprofessional", the word 'a' serves as an indefinite article intended to modify the adjective 'unprofessional'. However, standard English syntax requires 'an' before vowel sounds. Ludwig AI identifies this as a common mistake where the writer fails to transition the article to its vowel-friendly form.
Frequent in
News & Media
65%
Science
20%
Academia
15%
Less common in
Wiki
5%
Legal Documents
2%
Social Media
3%
Ludwig's WRAP-UP
The analysis of "a unprofessional" reveals a clear grammatical discrepancy. While the phrase appears in search results, Ludwig AI and standard linguistic rules confirm that "an unprofessional" is the only correct form. Most high-quality examples provided by Ludwig that seem to use "a unprofessional" are actually instances where '(a)' serves as a list label or the text contains an unedited typo. For professional writing, always ensure the article matches the vowel sound of the following adjective to maintain credibility and clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an unprofessional
Uses the correct indefinite article for a word starting with a vowel sound
a non-professional
Correctly uses 'a' before a consonant sound while retaining the meaning
an amateurish
Provides a more descriptive adjective for lack of skill or polish
an improper
Focuses on the lack of suitability or standard behavior
a lack of professionalism
Changes the grammatical structure to a noun phrase to avoid article confusion
an incompetent
A stronger term focusing on the inability to do a task correctly
a sloppy
Uses a more informal and visceral descriptor for poor work quality
an unethical
Shifts the focus from lack of skill to a lack of moral standards
a careless
Suggests the behavior stems from lack of attention rather than lack of status
an unpolished
A gentler way to describe something that lacks professional finish
FAQs
Is it correct to say "a unprofessional"?
No, it is grammatically incorrect. You should use "an unprofessional" because the word 'unprofessional' begins with a vowel sound.
Why does Ludwig show some examples of "a unprofessional"?
In many cases, such as the MIT example, the '(a)' is actually a list marker (a, b, c) rather than an article. In other cases, like the BBC snippet, it represents a rare typo or a direct quote of spoken error.
What is a better alternative to "a unprofessional"?
Depending on your sentence, you might use "a non-professional" or simply fix the article to "an unprofessional".
Can "a" ever be used before "unprofessional"?
Only if there is an intervening word starting with a consonant sound, such as "a very unprofessional" manner.
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