名詞 sum.:

1. a quantity of money
   同義詞：sum, sum of money, amount, amount of money
2. a quantity obtained by the addition of a group of numbers
   同義詞：sum, amount, total
3. the final aggregate
   同義詞：sum, summation, sum total
4. the choicest or most essential or most vital part of some idea or experience
   同義詞：kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty
5. the whole amount
   同義詞：sum, total, totality, aggregate
6. the basic unit of money in Uzbekistan
   同義詞：sum
7. a set containing all and only the members of two or more given sets
   同義詞：union, sum, join

動詞 sum.:

1. be a summary of
   同義詞：summarize, summarise, sum, sum up
2. determine the sum of
   同義詞：total, tot, tot up, sum, sum up, summate, tote up, add, add together, tally, add up