American English
/ˈsə.mɪŋ/
2 syllables · Stress the first syllable.
Related entry: sum
The result you get when you add two or more numbers or amounts.
Practice out loudThe result you get when you add two or more numbers or amounts.
The sum of 8 and 12 is 20.
Check the sum before you submit the answer.
the sum of · calculate the sum · find the sum
the sum of A and B
the sum of A and B is C
An amount of money, especially a large amount.
They paid a large sum of money for the house.
She received a small sum from her uncle.
a large sum of money · a small sum · a considerable sum · a lump sum
a/an + adjective + sum of money
pay/receive + a sum of money
To add numbers together to get a total.
Please sum the numbers in this column.
Sum 15 and 25 to get the answer.
In everyday English, add is more common for this action.
sum the figures · sum the costs · sum the numbers
sum + the numbers
sum + A + and + B
To give the main points briefly or state the conclusion.
To sum up, the plan is too expensive.
The final consonant doubles before -ed and -ing: summed, summing.