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English definition of “sterile”

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sterile

adjective [not gradable]  /ˈster·əl/ us  

sterile adjective [not gradable] (UNABLE TO PRODUCE)

(of a person or animal) unable to produce young, or of land unable to produce plants or crops: It was a small oasis surrounded by sterile desert.

sterile adjective [not gradable] (WITHOUT BACTERIA)

free from bacteria: Medical equipment must be kept sterile.

sterile adjective [not gradable] (LACKING)

lacking in imagination, ideas, or enthusiasm: Suburban housing developments are often sterile environments.
(Definition of sterile from the Cambridge Academic Content Dictionary © Cambridge University Press)
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