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

Synonyms:

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

Synonyms:

affix

Sub-

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