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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a longtime
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a longtime" is not correct in standard written English.
The correct form is "a long time," which is used to refer to an extended duration. Example: "I haven't seen you in a long time; how have you been?"
⚠ May contain grammatical issues
News & Media
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
60 human-written examples
Vernon was a longtime admirer.
News & Media
Was that a longtime goal?
News & Media
Drake's been a longtime admirer.
News & Media
Dinkins, and a longtime nonprofit executive.
News & Media
He was a longtime Fullerton resident.
News & Media
He was later a longtime scout.
News & Media
"It is a longtime goal of mine.
News & Media
Barzani, a longtime guerrilla fighter, was alarmed.
News & Media
— Gardner Dickinson, a longtime American tour pro.
News & Media
Ann Lewis, a longtime adviser, echoed that.
News & Media
Cummings is a longtime Vicco surname.
News & Media
Expert writing Tips
Best practice
Use "a long time" instead of "a longtime" to adhere to standard English grammar. While the single-word form is frequently encountered, it's considered grammatically incorrect.
Common error
Resist the urge to combine "a long time" into "a longtime". Always maintain the separation to ensure grammatical correctness. This is especially important in formal writing.
Source & Trust
84%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase is intended to function as an adjective, modifying a noun to indicate duration or prolonged association. However, as Ludwig AI notes, the one-word form is grammatically incorrect.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
While the phrase "a longtime" is frequently encountered, Ludwig AI indicates that it's grammatically incorrect. The correct form is "a long time", and alternatives like "a long-standing" or "an enduring" may also be suitable depending on the specific context. Despite its prevalence, especially in news and media, prioritizing grammatical accuracy by using the two-word form or a synonym is always recommended.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a long time
Correct grammatical form indicating a significant duration.
a long-standing
Emphasizes duration and establishment over a period.
a longtime acquaintance
Specifies the nature of the relationship, focusing on its length.
an enduring
Focuses on the quality of lasting or surviving over time.
an established
Focuses on the creation and maintenance of something over time.
a protracted
Highlights the extended length of a process or situation.
a seasoned
Suggests maturity and expertise gained through prolonged involvement.
a veteran
Implies extensive experience in a particular field or activity.
a perennial
Used to describe something that recurs or lasts for an indefinitely long time.
a chronic
Often used for negative or persistent situations or behaviors.
FAQs
Which is correct, "a longtime" or "a long time"?
The grammatically correct form is "a long time", which uses two words. Although commonly used, "a longtime" is considered incorrect in standard written English.
What does "a longtime" mean?
While grammatically incorrect, "a longtime" is generally understood to mean "for a long period of time" or "having been associated with something for a considerable duration". It's best to use the correct phrase, "a long time", instead.
Can I use "a longtime" in informal writing?
While its usage is widespread and may be acceptable in very informal contexts, it is recommended to avoid "a longtime" even in informal writing. Opt for "a long time" or other alternatives for clarity and correctness.
What are some alternatives to using "a longtime"?
Instead of "a longtime", consider using phrases like "a long-standing", "an enduring", or simply "a long time" depending on the intended meaning and context. These provide grammatically sound options for expressing duration.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
3.5/5
Expert rating
Real-world application tested