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Definition of lackadaisical

lackadaisical

/ˌlæk.əˈdeɪ.zɪ.kəl/
lack · a · dai · si · cal
Adverb:lackadaisically
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lackadaisical Lexical Profile

lackadaisical Game Scores & Validity

• adjective

1

Lacking enthusiasm, vigor, or determination; carelessly lazy and unmotivated.

Example

"The coach criticized the players for their lackadaisical approach to the second half of the game."

Synonyms
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Antonyms
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• Nearby Words

lachlan
lacing
lack
lackadaisical
lackey
lackluster
lacquer

Word Origin & Etymology

Coined in the mid-18th century from the archaic interjection 'lackadaisy' or 'lackaday' (a shortening of 'alack the day'), originally used to mock people who affectedly sighed 'lackaday' to display languid sentimentality.

Cite this Entry

Wordmom. (2026). Definition of Lackadaisical. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lackadaisical
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