sum Definition

  • 1the total amount resulting from the addition of two or more numbers, amounts, or items
  • 2a particular amount of money

Using sum: Examples

Take a moment to familiarize yourself with how "sum" can be used in various situations through the following examples!

  • Example

    The sum of 2 and 3 is 5.

  • Example

    The sum of all the parts equals the whole.

  • Example

    She spent a large sum of money on her vacation.

  • Example

    He won a sum of $10,000 in the lottery.

sum Synonyms and Antonyms

Phrases with sum

  • in summary; in brief


    In sum, the report concludes that the project is not feasible.

  • the whole amount; everything taken together


    The sum total of his possessions was a few clothes and a guitar.

  • a single payment made at one time, rather than several smaller payments over a period of time


    He received a lump sum payment for his retirement.

Origins of sum

from Old English 'sum', meaning 'a quantity of a thing'


Summary: sum in Brief

The term 'sum' [sʌm] refers to the total amount resulting from adding two or more numbers, amounts, or items. It can also refer to a particular amount of money. Phrases like 'in sum' and 'sum total' emphasize the entirety of something, while 'lump sum' refers to a single payment made at one time.

How do native speakers use this expression?