Definition of "add up" [add up]

• To take a sum. (verb)
• To accumulate; to amount to. (verb)
• To make sense; to be reasonable or consistent. (verb)

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• "Each individual study might have been, in the words of Vanderbilt Department of Preventive Medicine chair William Schaffner, “imperfect,” but together they formed “a whole mosaic of studies . . . that all add up to this theme: thimerosal is not the culprit.”"
• "Unless the Spirit of Jesus empowers and protects us, all our attempts at righteousness will add up to just a heap of filthy rags."
• "Ten-dollar blackjack bets are pretty safe, and wins can add up quickly."