Definition of «lackluster performance»

The phrase "lackluster performance" means that someone or something did not perform well or meet expectations.

This led to bouts of high volatility throughout the year and a generally lackluster performance in the equity markets. (indexologyblog.com)
But a pretty face can't make up for lackluster performance. (appscout.pcmag.com)
But you get lackluster performance on the hardest behaviors. (upwardhound.com)
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