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)
plural sums
Definition of sum (Entry 3 of 3)
the basic monetary unit of Uzbekistan — see Money Table
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Time Traveler for sum
The first known use of sum was in the 14th century
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