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English definition of “stack up”

stack up

informal
verb [T] uk phrasal verb with stack   /stæk/ us  
to compare with another thing of a similar type: The new model of this car just doesn't stack up against previous models (= is not as good as previous models).Comparing and contrasting
(Definition of stack up phrasal verb, verb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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