Definition of "underperformed" []

• Simple past tense and past participle of underperform. (verb)

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• "He has trouble accepting when he's underperformed, which is a necessary thing to be a champion."
• "The move comes after some of the company's key titles underperformed at the retail level."
• "Justin one of my top 5 movies of all time, this is good news since I thought it was dead after it "underperformed" in 2003."