1. phrasal verb [no passive] If you ask how one person or thing stacks up against other people or things, you are asking how the one compares with the others. [informal] [V P against/to n] ⇒ The British will be out to see how they stack up to the competition. [V P] ⇒ How does this final presidential debate stack up and compare to the others, do you think? 2. phrasal verb → stack If facts or figures do not stack up, they do not make sense or give the results you expect. [V P] ⇒ There have been a number of explanations, but none of them stack up.
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