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About SUM
SUM is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).
Definitions
noun
- a quantity of money
- a quantity obtained by the addition of a group of numbers
- the final aggregate
- the choicest or most essential or most vital part of some idea or experience
- the whole amount
- a set containing all and only the members of two or more given sets
verb
- be a summary of
- determine the sum of
Synonyms
Also: sum of money, amount of money, sum total, heart and soul, nitty-gritty, sum up, tot up, tote up, add together, add up.