To function less effectively or be less successful than expected or required.
To produce a smaller return than.
To perform not as well as (something else).
Three stocks that underperformed the market as a whole.
To perform (a musical or theatrical work, for example) too seldom.
In recent years, her plays have been underperformed.
To exhibit a level of performance that is below the standard.
A company that underperformed last year.
Origin of underperform
- under- +"Ž perform.