lackadaisical
[lak-uh-dey-zi-kuh l]
- without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
- lazy; indolent: a lackadaisical fellow.
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Origin of lackadaisical
Synonyms
See more synonyms for lackadaisical on Thesaurus.com2. slothful, unambitious, idle.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
lackadaisical
- lacking vitality and purpose
- lazy or idle, esp in a dreamy way
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Word Origin
C18: from earlier lackadaisy, extended form of lackaday
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for lackadaisicalness
lackadaisical
adj.
1768 (Sterne), from interjection lackadaisy "alas, alack" (1748), an alteration of lack-a-day (1690s), from alack the day (1590s). Hence, "given to crying 'lack-a-day,' vapidly sentimental." Sense probably altered by influence of lax. Related: Lackadaisically.
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Online Etymology Dictionary, © 2010 Douglas Harper