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1

sum

play
noun \ˈsəm\

Definition of sum

  1. 1 :  an indefinite or specified amount of money

  2. 2 :  the whole amount :  aggregate

  3. 3 :  the utmost degree :  summit <reached the sum of human happiness>

  4. 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>

  5. 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

summability play \ˌsə-mə-ˈbi-lə-tē\ noun
summable play \ˈsə-mə-bəl\ adjective
in sum
  1. :  in short :  briefly



Origin of sum

Middle English summe, from Anglo-French sume, somme, from Latin summa, from feminine of summus highest; akin to Latin super over — more at over


First Known Use: 14th century

Rhymes with sum


2

sum

verb

Definition of sum

summedsumming

  1. transitive verb
  2. 1 :  to calculate the sum of :  total

  3. 2 :  summarize

  4. intransitive verb
  5. :  to reach a sum :  amount



Examples of sum in a sentence

  1. <can sum figures in his head faster than I can punch them into a calculator>



14th Century

First Known Use of sum

14th century


3

sum

play
noun \ˈsəm\

Definition of sum

plural sums

  1. — see money table



Origin of sum

Uzbek so'm ruble


First Known Use: 1993



SUM Defined for Kids

1

sum

play
noun \ˈsəm\

Definition of sum for Students

  1. 1 :  the result obtained by adding numbers <The sum of 4 and 5 is 9.>

  2. 2 :  a problem in arithmetic

  3. 3 :  a quantity of money <We donated a small sum.>

  4. 4 :  the whole amount <Two trips is the sum of my travel experience.>




2

sum

play
verb

Definition of sum for Students

summedsumming

  1. :  to find the total number of by adding or counting

sum up
  1. :  to tell again in a few words :  summarize





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