\ ˈsəm
\
\
Definition of sum
(Entry 1 of 3)
1
: an indefinite or specified amount of money
2
: the whole amount : aggregate
3
: the utmost degree : summit
reached the sum of human happiness
4a
: a summary of the chief points or thoughts : summation
the sum of this criticism follows— C. W. Hendel
b
: gist
the sum and substance of an argument
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 indefinitely
b
: numbers to be added
broadly
: a problem in arithmetic
c(1)
: disjunction sense 2
(2)
: union sense 2d
in sum
: in short : briefly
sum
verb
summed; summing
Definition of sum (Entry 2 of 3)
: to reach a sum : amount
sum
noun (2)
\ ˈsəm
\
\
plural sums
Definition of sum (Entry 3 of 3)
the basic monetary unit of Uzbekistan — see Money Table
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Other Words from sum
Noun (1)
summability
\
ˌsə-mə-ˈbi-lə-tē
\
noun
\
noun
summable
\
ˈsə-mə-bəl
\
adjective
\
adjective
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Cite this Entry
“Sum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sum. Accessed 23 Apr. 2021.
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More Definitions for sum
sum
noun
\ ˈsəm
\
\
Kids Definition of sum
(Entry 1 of 2)
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.
sum
verb
summed; summing
Kids Definition of sum (Entry 2 of 2)
: to find the total number of by adding or counting
sum up
: to tell again in a few words : summarize
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Time Traveler for sum
The first known use of sum was in the 14th century
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