Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sum”

See all translations

sum

noun  /sʌm/ us  

sum noun (AMOUNT OF MONEY)

[C] a particular amount of money: The sum involved in the sale was not reported.

sum noun (TOTAL)

mathematics [U] a total found by the addition of two or more numbers: The sum of seven and twelve is nineteen.in sum In sum is said before giving a final, brief statement describing something: In sum, the American public did not perceive global warming as urgent.
(Definition of sum from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of sum?
Add Cambridge dictionaries to your browser to your website

Definitions of “sum” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More