verb (used with or without object)

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.

Nearby words

  1. underpainting,
  2. underpants,
  3. underpart,
  4. underpass,
  5. underpay,
  6. underpin,
  7. underpinning,
  8. underpinnings,
  9. underpitch vault,
  10. underplant

Origin of underperform

Related formsun·der·per·for·mance, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underperformance