Synonym: amount, entirety, quantity, total, whole. Antonym: part. Similar words: sum up, summer, resume, summit, assume, consume, summary, consumer. Meaning: [sʌm] 
n. 1. a quantity of money 2. a quantity obtained by the addition of a group of numbers 3. the final aggregate 4. the choicest or most essential or most vital part of some idea or experience 5. the whole amount 6. the basic unit of money in Uzbekistan 7. a set containing all and only the members of two or more given sets. v. 1. be a summary of 2. determine the sum of.
n. 1. a quantity of money 2. a quantity obtained by the addition of a group of numbers 3. the final aggregate 4. the choicest or most essential or most vital part of some idea or experience 5. the whole amount 6. the basic unit of money in Uzbekistan 7. a set containing all and only the members of two or more given sets. v. 1. be a summary of 2. determine the sum of. 
Random good picture Not show
61 Please pay this sum into my wife's account.
62 The meeting was, in sum, a disaster.
63 $10,000 is a good round sum.
64 Let x be the sum of a and b.
65 He commuted his pension into a lump sum.
66 The sum of money is nothing to sneeze at.
67 This sum of money is earmarked for our research.
68 In your final paragraph[sentencedict.com], sum up your argument.
69 I can't do this sum.
70 This is the sum of my achievements so far.
71 That sum has brought the total up to￡400 exactly.
72 He was left a large sum of money .
73 The sum of 5 and 3 is 8.
74 It's difficult to sum it up in one sentence.
75 The sum of 7 and 12 is 19.
76 They paid me the princely sum of 50 p.
77 The sum will be increased by fifteen per cent.
78 His business deals make him a tidy sum/profit.
79 In sum, the plan failed.
80 We donated a large sum to the Red Cross.
81 What is the sum assured?
82 She received a cash sum by way of compensation.
83 My husband knocked over a good sum last year.
84 Calculate the sum of the following figures.
85 Now, I sum them up in 3 main points.
86 Let us sum up the discussion so far.
87 She was given a lump sum when she retired.
88 The sum involved was calculated at $82 million.
89 That must have cost you a tidy sum.
90 The sum covers the cost inclusive of postage.
More similar words: sum up, summer, resume, summit, assume, consume, summary, consumer, summation, sumptuous, assumption, presumably, consumption.