sum

¹

[ suhm ]

noun

1. the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition:

   The sum of 6 and 8 is 14.

2. a particular aggregate or total, especially with reference to money:

   The expenses came to an enormous sum.

3. an indefinite amount or quantity, especially of money:

   to lend small sums.

4. a series of numbers or quantities to be added up.
5. an arithmetical problem to be solved, or such a problem worked out and having the various steps shown.
6. the full amount, or the whole.
7. the substance or gist of a matter, comprehensively or broadly viewed or expressed:

   the sum of his opinions.

8. concise or brief form:

   in sum.

9. Mathematics.
   1. the limit of the sequence of partial sums of a given infinite series.
   2. union ( def 10a ).
10. a summary.

verb (used with object)

, summed, sum·ming.

1. to combine into an aggregate or total (often followed by up ).
2. to ascertain the sum of, as by addition.
3. to bring into or contain in a small compass (often followed by up ).

verb (used without object)

, summed, sum·ming.

1. to amount (usually followed by to or into ):

   Their expenses summed into the thousands.

verb phrase

1. 1. to reckon:

      We summed up our assets and liabilities.

   2. to bring into or contain in a brief and comprehensive statement; summarize:

      to sum up the case for the prosecution.

   3. to form a quick estimate of:

      I summed him up in a minute.

SUM

²

1. surface-to-underwater missile.

sum-

³

1. variant of sub- before m: summon.

sum

¹

/ sʊm /

noun

1. the standard monetary unit of Uzbekistan, divided into 100 tiyin

sum

²

/ sʌm /

noun

1. 1. the result of the addition of numbers, quantities, objects, etc
   2. the cardinality of the union of disjoint sets whose cardinalities are the given numbers
2. one or more columns or rows of numbers to be added, subtracted, multiplied, or divided
3. maths the limit of a series of sums of the first n terms of a converging infinite series as n tends to infinity
4. See number work
   plural another name for number work
5. a quantity, esp of money

   he borrows enormous sums

6. the essence or gist of a matter (esp in the phrases in sum, in sum and substance )
7. See summary
   a less common word for summary
8. archaic.
   the summit or maximum
9. modifier complete or final (esp in the phrase sum total )

verb

1. often foll by up to add or form a total of (something)
2. tr to calculate the sum of (the terms in a sequence)

sum

/ sŭm /

1. The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4 x and 5 x is 9 x.

Other Words From

• sumless adjective
• sumless·ness noun
• outsum verb (used with object) outsummed outsumming

Word History and Origins

Origin of sum¹

First recorded in 1250–1300; (noun) Middle English summe, from Latin summa “sum,” noun use of feminine of summus “highest,” superlative of superus ( superior ); (verb) Middle English summen (from Old French summer ), from Medieval Latin summāre, derivative of summa

Word History and Origins

Origin of sum¹

C13 summe, from Old French, from Latin summa the top, sum, from summus highest, from superus in a higher position; see super

Synonym Study

See number.

Example Sentences

Is it True that “Gays vs. Traditionalists are a Zero-Sum Game”?

From The Daily Beast

Willima and Kate raised a similar sum at a private dinner for just 30 philanthropists on Sunday night.

From The Daily Beast

On the other hand, they are viewing their donors, and their future children, not as whole people but as the sum of certain parts.

From The Daily Beast

But when it comes to the value of antiquities for human history, the sum of the parts is not greater than the whole.

From The Daily Beast

She later sued him alleging a vicious cycle of abuse, and he settled with his ex-wife out of court for an undisclosed sum.

From The Daily Beast

It was such a magnificent sum that Sol did not feel like taking the familiarity with it of mentioning it aloud.

From Project Gutenberg

Of which the sum is that all the parties to the case are evidently, for the time being, Protestants!

From Project Gutenberg

I've tried to teach lots of folks; an' sum learns quick, an' some don't never learn; it's jest 's 't strikes 'em.

From Project Gutenberg

The King now increased it to the enormous sum of two shilling and ten pence.

From Project Gutenberg

With that sum, twice as much infantry could be maintained as that which your Majesty has here.

From Project Gutenberg

Related Words

• amount
• bulk
• quantity
• value
• worth