(noun, verb)


1. a quantity of money

- he borrowed a large sum

Similar word(s): amount

Definition categories: possession, assets

2. a quantity obtained by the addition of a group of numbers

Similar word(s): amount, total

Definition categories: thought, quantity

3. the final aggregate

- the sum of all our troubles did not equal the misery they suffered

Similar word(s): summation

Definition categories: group, accumulation, aggregation, assemblage, collection

4. the choicest or most essential or most vital part of some idea or experience

Similar word(s): center, centre, core, essence, gist, heart, inwardness, kernel, marrow, meat, nub, pith, substance

Definition categories: thought, content

5. the whole amount

Similar word(s): aggregate, total, totality

Definition categories: man–made, unit, whole

6. a set containing all and only the members of two or more given sets

Similar word(s): join, union

Definition categories: group, set

Sentences with sum as a noun:

- The sum of 3 and 4 is 7.

- We're learning about division, and the sums are tricky.

- a tidy sum

- the sum of forty pounds

- This is the sum of all the evidence in the case.

- This is the sum and substance of his objections.


1. be a summary of

- The abstract summarizes the main ideas in the paper

Similar word(s): summarise, summarize

Definition categories: stative, say, state, tell

2. determine the sum of

Similar word(s): add, summate, tally, tot, total

Definition categories: communication, count, enumerate, number, numerate