Definition of sum
1 : an indefinite or specified amount of money
2 : the whole amount : aggregate
3 : the utmost degree : summit reached the sum of human happiness
5a (1) : the result of adding numbers the sum of 5 and 7 is 12 (2) : the limit of the sum of the first n terms of an infinite series as n increases indefinitelyb : numbers to be added; broadly : a problem in arithmeticc (1) : disjunction 2 (2) : union 2d
summabilityplay \ˌsə-mə-ˈbi-lə-tē\ noun
summableplay \ˈsə-mə-bəl\ adjective
: in short : briefly
Examples of sum in a Sentence
can sum figures in his head faster than I can punch them into a calculator
First Known Use of sum
Origin and Etymology of sum
Uzbek so'm ruble
First Known Use: 1993See Words from the same year
SUM Defined for Kids
Definition of sum for Students
1 : the result obtained by adding numbers The sum of 4 and 5 is 9.
2 : a problem in arithmetic
3 : a quantity of money We donated a small sum.
4 : the whole amount Two trips is the sum of my travel experience.
Seen and Heard
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