suma quantity obtained by addition: The sum of 13 and 20 is 33.; the final aggregateNot to be confused with:some ? remarkable: That was some thunder storm.; unspecified quantity: I?d like some candy.Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreesum (s?m)n.1. Mathematics a. An amount obtained as a result of adding numbers.b. An arithmetic problem: a child good at sums.2. The whole amount, quantity, or number; an aggregate: the sum of the team’s combined experience.3. An amount of money: paid an enormous sum.4. A summary: my view of the world, in sum.5. The central idea or point; the gist.tr.v. summed, sum·ming, sums 1. Mathematics To add.2. To give a summary of; summarize.Phrasal Verb: sum up1. To present the substance of (material) in a condensed form; summarize: sum up the day’s news; concluded the lecture by summing up.2. To describe or assess concisely: an epithet that sums up my feelings.[Middle English summe, from Old French, from Latin summa, from feminine of summus, highest; see uper in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.sum (s?m) n1. (Mathematics) a. the result of the addition of numbers, quantities, objects, etcb. the cardinality of the union of disjoint sets whose cardinalities are the given numbers2. (Mathematics) one or more columns or rows of numbers to be added, subtracted, multiplied, or divided3. (Mathematics) maths the limit of a series of sums of the first n terms of a converging infinite series as n tends to infinity4. (Education) (plural) another name for number work5. (Banking & Finance) 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. a less common word for summary8. archaic the summit or maximum9. (modifier) complete or final (esp in the phrase sum total)vb, sums, summing or summed10. (often foll by up) to add or form a total of (something)11. (Mathematics) (tr) to calculate the sum of (the terms in a sequence)[C13 summe, from Old French, from Latin summa the top, sum, from summus highest, from superus in a higher position; see super]sum (s?m) n, pl sumy (?s?m?) (Currencies) the standard monetary unit of Uzbekistan, divided into 100 tiyinCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014sum (s?m) n., v. summed, sum?ming. n. 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. an amount or quantity, esp. of money: to lend small sums. 3. a series of numbers or quantities to be added up. 4. an arithmetical problem to be solved, or such a problem worked out and having the various steps shown. 5. the full amount, or the whole: the sum of our knowledge. 6. the main idea, gist, or point: the sum and substance of his argument. 7. a summary. v.t. 8. to combine into an aggregate or total (often fol. by up). 9. to ascertain the sum of, as by addition. 10. to bring into or contain in a small compass (often fol. by up). v.i. 11. to amount. 12. sum up, a. to express in a brief and comprehensive statement; summarize. b. to form a quick estimate or judgment of. Idioms: in sum, in concise or brief form. [1250?1300;