Word.ws English Dictionary

Plural of sum

regular plural

The plural of sum is sums.

Forms of sum

Singularsum /sʌm/
Pluralsums /sʌmz/
Countablecountable

Plural of sum by meaning

  1. a quantity obtained by addition or aggregation.: sums
  2. the basic unit of money in Kyrgyzstan.: sums or sumy

Sums in a sentence

  • We're learning about division, and the sums are tricky.
  • ‘But enough of doing sums for to-day, and what about that procession?’ ‘I’m on,’ said Egbert.1936, Norman Lindsay, The Flyaway Highway, Sydney: Angus and Robertson, page 11
  • Emily got three of the sums wrong in her maths test.From the entry get wrong
  • Most people got away with Napster piracy, but a few people were sued for gigantic sums because copyright holders intended to make an example of them.From the entry make an example of
  • Yet it is hard to hand out enormous sums without turning poor countries into miniature command economies.2025 March 6, “Aiding and abetting”, in The Economist (Finance & economics section), London: The Economist Group, →ISSN, →OCLC. From the entry command economy

Meaning of sum

  1. noun A quantity obtained by addition or aggregation.
  2. noun An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
  3. noun A quantity of money.

Full definition of sum

Questions about the plural of sum

What is the plural of sum?
The plural of sum is sums.
Is sum countable?
Sum is a countable noun.

Source and license

Adapted from Wiktionary: sum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of sum.” Word.ws, https://word.ws/plural/sum. Based on Wiktionary, CC BY-SA 4.0.