sum meaning

UK /sʌm/ US /sʌm/ 1 syllable

sum (noun): a quantity of money.

sum has 8 meanings in this dictionary, as noun and verb.

sum as a noun

  1. a quantity of money
    • he borrowed a large sum
    • the amount he had in cash was insufficient

    Synonyms: sum of money, amount, amount of money

    Type of: assets

    Kinds: gain, gross, cash surrender value, contribution, deductible, defalcation, loss, figure, coverage, advance, payroll, peanuts

  2. a quantity obtained by the addition of a group of numbers

    Synonyms: amount, total

    Type of: quantity

    Kinds: grand total, subtotal

    Related forms: summate

  3. the final aggregate
    • the sum of all our troubles did not equal the misery they suffered

    Synonyms: summation, sum total

    Type of: collection

    Kinds: aggregate

    Related forms: summate

  4. the choicest or most essential or most vital part of some idea or experience
    • the gist of the prosecutor's argument
    • the heart and soul of the Republican Party
    • the nub of the story

    Synonyms: kernel, substance, core, center, centre, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, nitty-gritty

    Type of: content

    Kinds: bare bones, hypostasis, quiddity, quintessence, stuff

    Related forms: summate

  5. the whole amount

    Synonyms: total, totality, aggregate

    Type of: whole

    Related forms: summate

  6. a set containing all and only the members of two or more given sets
    • let C be the union of the sets A and B

    Synonyms: union, join

    Type of: set

    Kinds: direct sum

sum as a verb

  1. be a summary of
    • The abstract summarizes the main ideas in the paper

    Synonyms: summarize, summarise, sum up

    Type of: state

    Related forms: summation

  2. determine the sum of
    • Add all the people in this town to those of the neighboring town

    Synonyms: total, tot, tot up, sum up, summate, tote up, add, add together, tally, add up

    Type of: count

    Related forms: summation

How to pronounce sum

sum is pronounced /sʌm/ in British English and /sʌm/ in American English. It has 1 syllable.

Words that rhyme with sum

Word lists: words starting with SU · words ending in UM · 3-letter words

More about sum on Wikipedia.