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lackadaisical

 - 3 dictionary results

lack⋅a⋅dai⋅si⋅cal

  [lak-uh-dey-zi-kuhl]
–adjective
1. without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
2. lazy; indolent: a lackadaisical fellow.
Use lackadaisical in a Sentence
Origin:
1760–70; lackadais(y) (var. of lackaday ) + -ical

Related forms:
lack⋅a⋅dai⋅si⋅cal⋅ly, adverb
lack⋅a⋅dai⋅si⋅cal⋅ness, noun

Synonyms:
2. slothful, unambitious, idle.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
Cite This Source Link To lackadaisical
lack·a·dai·si·cal   (lāk'ə-dā'zĭ-kəl)   
adj.  Lacking spirit, liveliness, or interest; languid: "There'll be no time to correct lackadaisical driving techniques after trouble develops" (William J. Hampton).

[From lackadaisy, alteration of lackaday.]
lack'a·dai'si·cal·ly adv., lack'a·dai'si·cal·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

lackadaisical 
1768, from interjection lackadaisy "alas, alack" (1748), an alteration of lack-a-day (1695), from alack the day. Hence, "given to crying 'lack-a-day,' vapidly sentimental." Sense probably altered by infl. of lax.
Online Etymology Dictionary, © 2001 Douglas Harper
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