sum


Definition: Meaning of, sum in English to English dictionary.

Pronunciation: / sʌm /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
sum sums
[countable]
  1. money an amount of money
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  2. the sum of something the total produced when you add two or more numbers or amounts together
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  3. greater/more/better etc than the sum of its parts having a quality or effectiveness as a group that you would not expect from the quality of each member
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  4. calculation a simple calculation by adding, multiplying, dividing etc, especially one done by children at school
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  5. do your sums informal British English to calculate whether you have enough money to do something
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  6. in sum formal used before a statement that gives the main information about something in a few simple words
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synonym
antonym
  • verb
  • synonym
  • antonym
Word Forms:
Prsesent Past Past Participle
sum summed summed
Present Participle Third Person Singular
summing sums
synonym
antonym

sum used in phrases

  • dim sum (noun)
    1. including several kinds of steamed or fried dumplings traditional Chinese cuisine; a variety of foods are served successively in small portions
  • direct sum (noun)
    1. a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets
  • lump sum (noun)
    1. an amount of money given in a single payment
  • principal sum (noun)
    1. capital as contrasted with the income derived from it
  • sum of money (noun)
    1. a quantity of money
  • sum total (noun)
    1. the sum total the whole of an amount
  • sum up (verb)
    1. of give a summary
    2. be a summary of
  • sum-up (noun)
    1. a brief statement that presents the main points in a concise form
  • tidy sum (noun)
    1. often followed by 'of' a large number, amount or extent
  • vector sum (noun)
    1. a vector that is the sum of two or more other vectors
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