Simple Definition of lackadaisical
: feeling or showing a lack of interest or enthusiasm
Examples of lackadaisical
His teachers did not approve of his lackadaisical approach to homework.
<feeling particularly lackadaisical in the summer heat, they lazily tossed a ball back and forth>
Origin of lackadaisical
irregular from lackaday + -ical
First Known Use: 1768
Synonym Discussion of lackadaisical
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Thesaurus: All synonyms and antonyms for "lackadaisical" Spanish Central: Translation of "lackadaisical" Nglish: Translation of "lackadaisical" for Spanish speakers
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