adjective \ˌla-kə-ˈdā-zi-kəl\
Definition of LACKADAISICAL
: lacking life, spirit, or zest : languid
— ··岹···ly adverb
See lackadaisical defined for English-language learners »
See lackadaisical defined for kids »
Examples of LACKADAISICAL
His teachers did not approve of his lackadaisical approach to homework.