• synonyms


verb (used with or without object)
  1. to perform less well than (another of its kind, a general average, etc.) or less well than expected: Surprisingly, the stock has underperformed the market indexes all year. Several of our best players consistently underperform.
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Origin of underperform

Related formsun·der·per·for·mance, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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