Sum Definition

sŭm
summed, summing, sums
noun
sums
The whole amount; totality; aggregate.
The sum of our experience.
Webster's New World
The result obtained by adding numbers or quantities; total.
Webster's New World
An amount of money.
A sum paid in reparation.
Webster's New World
The gist or a summary of something said, done, etc.
Webster's New World
A series of numbers to be added together, or any problem in arithmetic.
Webster's New World
Antonyms:
verb
summed, summing, sums
To determine the sum of by adding.
Webster's New World
To add.
American Heritage
To get, or come to, a total.
Webster's New World
To summarize or review briefly; sum up.
Webster's New World

To add together.

Wiktionary
affix
Webster's New World
idiom
in sum
  • to put it briefly; in short
Webster's New World
sum up
  • to add up or collect into a whole or total
  • to review briefly; summarize
Webster's New World

Other Word Forms of Sum

Noun

Singular:
sum
Plural:
sums

Idioms, Phrasal Verbs Related to Sum

Origin of Sum

  • From the Kazakh сом (som), the Kyrgyz сом (som), the Uyghur سوم (som), and the Uzbek soÊ»m, all of which have the core signification “pure", used in elliptical reference to historical coins of pure gold.

    From Wiktionary

  • Middle English summe from Old French from Latin summa from feminine of summus highest uper in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English summe, from Old French, from Latin summa, feminine of summus (“highest").

    From Wiktionary

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