- 4 is an example of the sum of 2+2.
- When you have $100, this is an example of the sum of money that you have.
The definition of a sum is a total amount you arrive at by adding up multiple things, or the total amount of something that exists, or the total amount of money you have.
- an amount of money: a sum paid in reparation
- the whole amount; totality; aggregate: the sum of our experience
- the gist or a summary of something said, done, etc.: usually in sum and substance
- the result obtained by adding numbers or quantities; total
- Old-fashioned a series of numbers to be added together, or any problem in arithmetic
- the limit of the sum of the first n terms of an infinite series as n grows indefinitely
- the set containing every element belonging to one or both of two original sets and no other elements
- in Boolean algebra, disjunction (sense )
- Archaic the highest degree; height; summit
Origin of sumMiddle English somme from Middle French from Classical Latin summa, feminine of summus, highest, superlative from base of super: see super-
transitive verbsummed, sum′ming
- to determine the sum of by adding
- to summarize or review briefly; sum up
to get, or come to, a total
to put it briefly; in short
- to add up or collect into a whole or total
- to review briefly; summarize
var. of som (sense )
sub-: used before m
- Mathematics a. An amount obtained as a result of adding numbers.b. An arithmetic problem: a child good at sums.
- The whole amount, quantity, or number; an aggregate: the sum of the team's combined experience.
- An amount of money: paid an enormous sum.
- A summary: my view of the world, in sum.
- The central idea or point; the gist.
transitive verbsummed, sum·ming, sums
- Mathematics To add.
- To give a summary of; summarize.
Origin of sumMiddle English summe from Old French from Latin summa from feminine of summus highest ; see uper in Indo-European roots.
- A quantity obtained by addition or aggregation.
- The sum of 3 and 4 is 7.
- (often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
- We're learning about division, and the sums are tricky.
- A quantity of money.
- a tidy sum
- the sum of forty pounds
- A summary; the principal points or thoughts when viewed together; the amount; the substance; compendium.
- This is the sum of all the evidence in the case.
- This is the sum and substance of his objections.
- A central idea or point.
- The utmost degree.
(third-person singular simple present sums, present participle summing, simple past and past participle summed)
- To add together.
- To give a summary of.