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English definition of “lackadaisical”

lackadaisical

adjective     /ˌlæk.əˈdeɪ.zɪ.kəl/ formal
showing little enthusiasm and effort: The food was nice enough but the service was rather lackadaisical.Lacking interest and enthusiasmUnwilling and reluctantNot showing or feeling emotions lackadaisically     /-kəli/ adverb Lacking interest and enthusiasmUnwilling and reluctantNot showing or feeling emotions
(Definition of lackadaisical adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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