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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a unrestrained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a unrestrained" is not correct in written English. It should be "an unrestrained" because "unrestrained" begins with a vowel sound. You can use it to describe something that is free from limitations or constraints. For example: "She expressed an unrestrained joy at the news." Alternative expressions include "an unrestricted" and "a boundless."
⚠ May contain grammatical issues
Science
News & Media
Engineering
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
Two separate groups of numerical applications are presented, checking influence of the self-induced stresses: a unrestrained concrete prism usually used for shrinkage measurement, and concrete slabs subjected to external loads.
Science
Open image in new window Fig. 8 Temperature of the HG sample upper surface when heated from below using a hot plate, a unrestrained, and b restrained.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Wolf's public Facebook page is a curious place, an unrestrained stream of consciousness in which she offers up her unconventional take on current events.
News & Media
On Thursday, Mr. Strauss-Kahn broke a long silence to acknowledge that perhaps his double life as an unrestrained libertine was a little outré.
News & Media
Brown had an instinct, and an unrestrained affection, for power, and she set about glamorising it, whether in politics, Hollywood, business, or crime.
News & Media
P-gp, a phosphoglycoprotein, acts as an unrestrained energy-dependent efflux pump [ 5].
This makes it clear that unless Facebook wants to run an unrestrained free-for-all of a content site or apply an inflexible censorship policy, it must accept its responsibilities as a media company.
News & Media
Yet even in that world Ray Bradbury was never afraid to show his emotions: a childlike sense of wonder, an unrestrained idealism, or that now-tarnished emotion called "hope".
News & Media
sEMG and HR was also recorded during an unrestrained evening stay at a patient hotel.
Lindberg, once a punky provocateur of Finnish music, has reinvented himself as an unrestrained sensualist, using the orchestra as a canvas for shimmering shapes and gaudy colors.
News & Media
Unexpected turbulence can catapult an unrestrained infant or toddler through an aircraft cabin just as easily as a crash could.
News & Media
Expert writing Tips
Best practice
Always use the article 'an' before 'unrestrained' because the word begins with a vowel sound (/ʌ/). phonetic rules in English prioritize the sound over the letter.
Common error
Do not assume that all words starting with 'u' take the article 'a'. While words like 'university' take 'a' because they start with a 'y' sound, 'unrestrained' starts with a pure vowel sound and must always be preceded by 'an'.
Linguistic Context
The phrase "a unrestrained" is intended to function as an adjective phrase where an indefinite article modifies an adjective, which in turn modifies a noun. However, according to Ludwig AI, the use of the article 'a' is a grammatical error because 'unrestrained' begins with a vowel sound.
Frequent in
Science
45%
News & Media
40%
Academia
15%
Less common in
Encyclopedias
5%
Informal
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, while the phrase "a unrestrained" appears in a very small number of technical documents, it is universally considered a grammatical error. Ludwig AI and standard English rules dictate that the correct form is "an unrestrained". The word 'unrestrained' begins with the vowel sound /ʌ/, which necessitates the use of 'an' to ensure phonetic fluidity. High-quality sources such as The New York Times and The New Yorker consistently use the correct article. Writers should avoid the query phrase and instead use "an unrestrained" or choose a different adjective that starts with a consonant if they wish to use the article 'a'.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an unrestrained
Corrects the grammatical error by using the appropriate indefinite article for a word starting with a vowel sound.
unrestrained
Removes the article entirely, focusing purely on the descriptive adjective.
an unrestricted
Uses a synonym that also describes a lack of limitations but implies fewer regulatory barriers.
a boundless
A semantic equivalent that starts with a consonant, allowing for the correct use of the article 'a'.
an uncurbed
A slightly more formal synonym suggesting that no external forces are keeping something in check.
an unbridled
A common idiomatic alternative often used to describe intense emotions or power.
a limitless
Emphasizes the lack of boundaries or ends, using a consonant-starting adjective.
an unchecked
Focuses on the lack of oversight or control rather than just physical restraint.
a free
A simpler, more common word that conveys the absence of restraint.
a rampant
Specifically describes something unrestrained that is spreading or growing in an unwanted way.
FAQs
Which is correct, 'a unrestrained' or 'an unrestrained'?
The correct form is "an unrestrained" because the word 'unrestrained' begins with a vowel sound.
What can I say instead of 'a unrestrained'?
You should use "an unrestrained" or a consonant-starting alternative like "a boundless" or "a limitless".
Why does Ludwig label 'a unrestrained' as incorrect?
Ludwig AI identifies this phrase as incorrect because it violates the English grammatical rule requiring 'an' before words that begin with vowel sounds. This is confirmed by the overwhelming majority of examples in high-quality literature using "an unrestrained" instead.
Is 'unrestrained' a formal word?
Yes, it is often found in formal and technical contexts. You can see its correct usage in phrases like "an unrestrained search" or "an unrestrained campaign".
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