Meaning of “sum” - Learner’s Dictionary


noun [ C ] us uk /sʌm/
She received a tax-free lump sum on leaving the company.He considered it to be a derisory sum of money.Any sums already paid will be refunded.It cost the princely sum of £2 million.It was a paltry sum of money for someone so rich.

B1 an amount of money:

a large/small sum of money

a simple mathematical calculation such as adding two numbers together:

Kids these days can't do sums without a calculator.

the total amount that you get when you add two or more numbers together:

The sum of six and seven is thirteen.
→ See also lump sum

(Definition of “sum” from the Cambridge Learner’s Dictionary © Cambridge University Press)