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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
about half
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "about half" is correct and usable in written English.
It can be used when estimating or approximating a quantity that is roughly 50% of a whole. Example: "About half of the participants in the survey reported feeling satisfied with the service."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(7)
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
58 human-written examples
Reduce by about half.
News & Media
It took about half an hour.
News & Media
This will take about half an hour.
Wiki
About half my time.
News & Media
by about half.
News & Media
Now about half do.
News & Media
About half an hour.
News & Media
About half dropped out.
News & Media
About half the states don't.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Scrawny children run about half-naked.
News & Media
Ask about half-size portions.
Wiki
Expert writing Tips
Best practice
When using "about half", ensure the context makes it clear what the whole is. For example, "About half of the students passed the exam" clearly indicates that the 'whole' is the student population who took the exam.
Common error
Avoid using "about half" when precision is required. If the exact percentage is known (e.g., 48% or 52%), using the precise number will add credibility to your writing. Use "about half" only when a rough estimate is sufficient.
Source & Trust
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "about half" is that of a quantifier phrase. It modifies a noun by providing an approximate quantity, indicating that the amount is near 50% of the total. Ludwig confirms this common usage through numerous examples.
Frequent in
News & Media
41%
Wiki
11%
Science
21%
Less common in
Encyclopedias
4%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "about half" is a very common and grammatically correct quantifier phrase used to indicate an approximate quantity around 50%. As Ludwig AI indicates, its versatility allows it to be applied across various contexts, although it appears most frequently in news and media. When using "about half", ensure that the context clearly defines the 'whole' being referenced. While appropriate for general estimation, it's crucial to consider alternatives for situations requiring greater precision. Common synonyms include "approximately fifty percent" and "roughly fifty percent". Avoid using it if an accurate value is readily available, as precision enhances credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
approximately fifty percent
More formal and precise, specifying the percentage.
roughly fifty percent
Similar to "about half" but explicitly mentions the percentage.
around fifty percent
Uses "around" to indicate an approximation of fifty percent.
nearly fifty percent
Indicates that the quantity is close to, but not quite, fifty percent.
close to half
Emphasizes the proximity to the halfway point.
halfway
Implies being at the midpoint or nearly so.
in the vicinity of fifty percent
A more formal way of saying approximately fifty percent.
a little under half
Indicates a quantity slightly less than half.
just under half
Similar to "a little under half", but with a sense of slightness.
half or so
Adds a casual tone, suggesting an approximate half.
FAQs
How can I rephrase "about half" in a sentence?
You can use alternatives like "approximately fifty percent", "roughly fifty percent", or "nearly fifty percent" to convey a similar meaning with slightly different emphasis.
Is it okay to start a sentence with "about half"?
Yes, it is grammatically correct to start a sentence with "about half". For example: "About half of the attendees were first-timers."
What is a more formal way to say "about half"?
In formal contexts, consider using phrases such as "approximately fifty percent" or "in the vicinity of fifty percent". These options provide a more precise and professional tone.
How accurate is "about half" as an estimate?
The phrase "about half" implies an approximation, typically suggesting a range around 50%. If the actual value is significantly different (e.g., 30% or 70%), it's better to use a more accurate description or specific number.
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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
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested