Definition of Sum
Quick Meaning of Sum
The result when you add two or more numbers or amounts together.
Detailed Definition of Sum
The total amount you get when you add numbers together.
How to Pronounce Sum
Stress pattern: O (1-syllable word).
Tip: Sounds like 'suhm' with a short vowel, not long 'oo' as in some.
Watch out: Some learners confuse it with 'some' in pronunciation.
Origin and Etymology of Sum
From Latin summa, meaning the highest part or total.
How to Use Sum in a Sentence
Each example shows “sum” with a CEFR level so learners can pick examples that match their fluency.
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“The sum of five plus three is eight.”
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“He paid a large sum of money for the car.”
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“The sum total of expenses exceeded the budget.”
Synonyms and Antonyms of Sum
Common Synonyms for Sum
Smart Synonyms for Sum — When to Use Each
- total
- for the complete final amount
- amount
- for quantities of money
- aggregate
- for formal combined figures
Common Collocations with Sum
These phrases pair with “sum” in everyday English:
- sum total
- large sum
- sum of money
Common Mistakes When Using Sum
Even fluent speakers slip up with “sum”. Here’s how to avoid the most common errors:
- ✗ Wrong: I have some money left to pay.
- ✓ Correct: I have a sum of money left to pay.
- Why: Sum refers to specific total; some refers to unspecified quantity.
- ✗ Wrong: The sum are ten dollars.
- ✓ Correct: The sum is ten dollars.
- Why: Sum is singular; use is with singular nouns.
Words Confused With Sum
- Sum vs Some: some means an unspecified amount; sum is the total of numbers Compare →
Other Forms of Sum
- Noun: sum
Frequently Asked Questions About Sum
What is the meaning of "Sum"?
The result when you add two or more numbers or amounts together.
How do you pronounce "Sum"?
The IPA is /sʌm/. Sounds like 'suhm' with a short vowel, not long 'oo' as in some.
What part of speech is "Sum"?
"Sum" is a noun at A1 level (Common European Framework).
What are synonyms for "Sum"?
Common synonyms include total, amount, aggregate.
How do you use "Sum" in a sentence?
For example: "The sum of five plus three is eight."