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English definition of “lacklustre”


adjective uk UK (US lackluster)   /ˈlækˌlʌs.tər/ us    /-tɚ/
without energy and effort: Britain's number-one tennis player gave a disappointingly lacklustre performance.Tired and making tired
(Definition of lacklustre from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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