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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
sum
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sum" is correct and usable in written English.
It can be used in mathematical contexts or when referring to the total amount resulting from the addition of two or more numbers or items. Example: "The sum of 5 and 10 is 15."
✓ Grammatically correct
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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
The Guardian published the story after the Daily Telegraph refused to for fear of offending its readers, even after the paper had paid a substantial sum to secure the exclusive rights.
News & Media
Some may ask for rent in advance while others will require a lump sum of money to be returned providing the house is well kept Read it back-to-front and get your university's student advice service or student union to check it over.
News & Media
The Luxembourg arm, through which much of the tax planning business was channelled, reported profits of £1.4bn in 2013, a sum which should halve this year, the finance director, Tushar Morzaria, said.
News & Media
The South Yorkshire club confirmed the Thai company has bought 100% of the club's shares from the previous owner Milan Mandaric's company, UKFI Limited, for an as yet undisclosed sum, reported to be around £30m.
News & Media
It could well make sense not to accept a lump sum contribution to the purchase of the property but to accept a regular contribution to living expenses instead.
News & Media
Some will take a cash lump sum that better meets their needs than a level income stream, and some will reinvest in a pension drawdown fund and withdraw money later.
News & Media
As an example of how it might work, someone who earns £20,000 a year and also received £250 in savings interest will not have to pay tax on the latter sum as it is well within their £1,000 savings allowance.
News & Media
One woman, who had bought her Southwark council flat as Thatcher and Blair encouraged her to, had been offered a risible sum to get out.
News & Media
Small print in the Lloyds annual report shows that the new head of risk, Juan Colombás, received £3.1m in 2013 and is entitled to a lump sum of £718,996 when he reaches retirement age or leaves due to ill-health.
News & Media
Brands like Cadbury have also shown that even for consumers who ultimately end up seeing both TV and online advertising the combined effect can be far more effective than the sum of its parts.
News & Media
I remember, for example, being encouraged (ie conned) by my grandson into downloading a "free" app featuring a charming kitten, only to discover that if one wanted to clothe this animal in some daft costume or other then one had to shell out a tidy sum for each costume.
News & Media
Expert writing Tips
Best practice
When using "sum" in financial contexts, be specific about what items or figures are included in the sum to avoid ambiguity.
Common error
Avoid using "sum" vaguely. Always clarify what is being added together to form the sum to prevent misinterpretations.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The word "sum" functions primarily as a noun, denoting a quantity obtained by addition or aggregation. As Ludwig confirms, it is used to describe both mathematical results and amounts of money. It can also function as a verb, meaning to add together or summarize.
Frequent in
News & Media
30%
Formal & Business
20%
Sport
10%
Less common in
Money
10%
Film
8%
Opinion
7%
Ludwig's WRAP-UP
The word "sum" is a versatile term used to describe a total amount or to summarize information, as confirmed by Ludwig. It functions primarily as a noun, denoting a quantity obtained by addition. The phrase appears most frequently in news and business contexts, indicating its relevance in reporting and financial discussions. It is grammatically correct and widely accepted, making it a reliable choice in various writing scenarios. Use "sum" to accurately represent aggregate values, and specify what is being combined to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
sum total
An explicit way to refer to the final result of an addition.
total
This refers to the aggregate or whole amount, similar to "sum".
aggregate
This term highlights the collection of individual items into a combined amount, like "sum".
amount
Denotes a quantity or total, interchangeable with "sum" in many contexts.
total amount
Emphasizes the comprehensive quantity, similar to emphasizing a "sum".
grand total
Implies the final and complete summation, like "sum".
overall amount
Indicates the comprehensive quantity, similar to emphasizing a "sum".
final tally
Focuses on the concluding count or calculation, relating to "sum".
net result
Signifies the final outcome after all calculations, much like a "sum".
combined total
This phrase stresses the act of bringing elements together into a "sum".
FAQs
How can I use the word "sum" in a sentence?
You can use "sum" to refer to a total amount, as in "The sum of their efforts was impressive", or to indicate an amount of money, as in "He received a tidy sum for his services".
What's another way to say "sum"?
Is it correct to say "sum total"?
Yes, "sum total" is a valid and emphatic way to refer to the entirety of something. It is commonly used to highlight a comprehensive result.
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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
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested