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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a decade old
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a decade old" is correct and usable in written English.
You can use it to describe something that has existed or been in use for ten years. Example: "The software has become a decade old, and it's time for an update to keep up with modern standards."
✓ Grammatically correct
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
60 human-written examples
Most are more than a decade old.
News & Media
Houses, not yet a decade old, crumble.
News & Media
The conflict's roots are a decade old.
News & Media
The quote is a decade old.
News & Media
Her support for sanctions is a decade old.
News & Media
Eight bureaucracies had requests more than a decade old.
News & Media
But the origins of the strife are a decade old.
News & Media
The brightest memories may be more than a decade old.
News & Media
Stravinsky's shocking, exhilarating score was just over a decade old.
News & Media
Technically, the Birmingham Royal Ballet is only a decade old.
News & Media
Benzocaine-smeared condoms are more than a decade old.
News & Media
Expert writing Tips
Best practice
Use "a decade old" to describe the age or duration of something. For example, "The technology is a decade old."
Common error
Avoid using "a decade old" as a direct noun. It typically functions as an adjective phrase modifying a noun. Instead of saying "That is a decade old", specify what is "a decade old", such as "That car is a decade old".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a decade old" typically functions as an adjectival phrase, modifying a noun to indicate its age or duration of existence. As Ludwig AI explains, it's grammatically sound for describing age. Ludwig provides many examples of its correct usage.
Frequent in
News & Media
58%
Science
27%
Formal & Business
15%
Less common in
Academia
10%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "a decade old" is a grammatically correct and versatile way to describe the age or duration of something. Ludwig AI validates its proper usage, supported by numerous examples across various contexts such as News & Media, Science and Business. It functions primarily as an adjectival phrase, modifying a noun to provide temporal context. While interchangeable with alternatives like "ten years old" or "ten-year-old", "a decade old" offers a concise and often suitable option. As Ludwig shows, understanding its function helps prevent common errors, such as misusing it as a direct noun. Ludwig is a great tool to understand the use of this common expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
ten years of age
This alternative is a more formal way of expressing the age.
ten-year-old
This version is typically used as a compound adjective before a noun.
decade-long
This term emphasizes the duration and is usually used as a compound adjective.
about ten years old
This phrase introduces a degree of approximation.
approximately ten years old
Similar to 'about ten years old' but slightly more formal.
nearly ten years old
Suggests the subject is close to being a decade old.
a decade in existence
Focuses on the duration of existence rather than a specific age.
ten years hence
This phrase refers to a point in time ten years from now, not an age.
of ten years duration
A more formal and less common way to specify the length of something.
a decade past
This phrase refers to a time ten years ago, not an age.
FAQs
How can I use "a decade old" in a sentence?
You can use "a decade old" to describe something's age or the length of time it has existed. For example, "The building is "a decade old"" or "The research is based on data that is "a decade old"".
What are some alternatives to saying "a decade old"?
Alternatives include "ten years old", "ten-year-old" (when used as a compound adjective), "decade-long", or "approximately ten years old", depending on the context.
Is it correct to say "ten year old" instead of "a decade old"?
While "ten year old" might be understood, "a decade old" or "ten years old" are grammatically preferred. "Ten-year-old" is correct when used as a compound adjective (e.g., "a ten-year-old car").
Which is better, "a decade old" or "ten years old"?
Both "a decade old" and "ten years old" are correct and often interchangeable. "A decade old" might sound slightly more concise or informal, while "ten years old" is more explicit. The best choice depends on the specific context and desired tone.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested